15973965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 35493120

約数和(自身を除く): 19519155

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 157, 171, 255, 285, 315, 323, 357, 399, 471, 595, 665, 765, 785, 855, 969, 1071, 1099, 1197, 1413, 1615, 1785, 1995, 2261, 2355, 2669, 2907, 2983, 3297, 4845, 5355, 5495, 5985, 6783, 7065, 8007, 8949, 9891, 11305, 13345, 14535, 14915, 16485, 18683, 20349, 20881, 24021, 26847, 33915, 40035, 44745, 49455, 50711, 56049, 62643, 93415, 101745, 104405, 120105, 134235, 152133, 168147, 187929, 253555, 280245, 313215, 354977, 456399, 760665, 840735, 939645, 1064931, 1774885, 2281995, 3194793, 5324655, 15973965]

約数ペア:

[(1, 15973965), (3, 5324655), (5, 3194793), (7, 2281995), (9, 1774885), (15, 1064931), (17, 939645), (19, 840735), (21, 760665), (35, 456399), (45, 354977), (51, 313215), (57, 280245), (63, 253555), (85, 187929), (95, 168147), (105, 152133), (119, 134235), (133, 120105), (153, 104405), (157, 101745), (171, 93415), (255, 62643), (285, 56049), (315, 50711), (323, 49455), (357, 44745), (399, 40035), (471, 33915), (595, 26847), (665, 24021), (765, 20881), (785, 20349), (855, 18683), (969, 16485), (1071, 14915), (1099, 14535), (1197, 13345), (1413, 11305), (1615, 9891), (1785, 8949), (1995, 8007), (2261, 7065), (2355, 6783), (2669, 5985), (2907, 5495), (2983, 5355), (3297, 4845)]