47921895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 109209600

約数和(自身を除く): 61287705

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 135, 153, 157, 171, 189, 255, 285, 315, 323, 357, 399, 459, 471, 513, 595, 665, 765, 785, 855, 945, 969, 1071, 1099, 1197, 1413, 1615, 1785, 1995, 2261, 2295, 2355, 2565, 2669, 2907, 2983, 3213, 3297, 3591, 4239, 4845, 5355, 5495, 5985, 6783, 7065, 8007, 8721, 8949, 9891, 11305, 13345, 14535, 14915, 16065, 16485, 17955, 18683, 20349, 20881, 21195, 24021, 26847, 29673, 33915, 40035, 43605, 44745, 49455, 50711, 56049, 61047, 62643, 72063, 80541, 93415, 101745, 104405, 120105, 134235, 148365, 152133, 168147, 187929, 253555, 280245, 305235, 313215, 354977, 360315, 402705, 456399, 504441, 563787, 760665, 840735, 939645, 1064931, 1369197, 1774885, 2281995, 2522205, 2818935, 3194793, 5324655, 6845985, 9584379, 15973965, 47921895]

約数ペア:

[(1, 47921895), (3, 15973965), (5, 9584379), (7, 6845985), (9, 5324655), (15, 3194793), (17, 2818935), (19, 2522205), (21, 2281995), (27, 1774885), (35, 1369197), (45, 1064931), (51, 939645), (57, 840735), (63, 760665), (85, 563787), (95, 504441), (105, 456399), (119, 402705), (133, 360315), (135, 354977), (153, 313215), (157, 305235), (171, 280245), (189, 253555), (255, 187929), (285, 168147), (315, 152133), (323, 148365), (357, 134235), (399, 120105), (459, 104405), (471, 101745), (513, 93415), (595, 80541), (665, 72063), (765, 62643), (785, 61047), (855, 56049), (945, 50711), (969, 49455), (1071, 44745), (1099, 43605), (1197, 40035), (1413, 33915), (1615, 29673), (1785, 26847), (1995, 24021), (2261, 21195), (2295, 20881), (2355, 20349), (2565, 18683), (2669, 17955), (2907, 16485), (2983, 16065), (3213, 14915), (3297, 14535), (3591, 13345), (4239, 11305), (4845, 9891), (5355, 8949), (5495, 8721), (5985, 8007), (6783, 7065)]