7405965

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 15966720

約数和(自身を除く): 8560755

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 461, 595, 765, 945, 1071, 1383, 1785, 2295, 2305, 3213, 3227, 4149, 5355, 6915, 7837, 9681, 12447, 16065, 16135, 20745, 23511, 29043, 39185, 48405, 54859, 62235, 70533, 87129, 117555, 145215, 164577, 211599, 274295, 352665, 435645, 493731, 822885, 1057995, 1481193, 2468655, 7405965]

約数ペア:

[(1, 7405965), (3, 2468655), (5, 1481193), (7, 1057995), (9, 822885), (15, 493731), (17, 435645), (21, 352665), (27, 274295), (35, 211599), (45, 164577), (51, 145215), (63, 117555), (85, 87129), (105, 70533), (119, 62235), (135, 54859), (153, 48405), (189, 39185), (255, 29043), (315, 23511), (357, 20745), (459, 16135), (461, 16065), (595, 12447), (765, 9681), (945, 7837), (1071, 6915), (1383, 5355), (1785, 4149), (2295, 3227), (2305, 3213)]