66591675

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 129250160

約数和(自身を除く): 62658485

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 421, 475, 555, 703, 855, 925, 1263, 1425, 1665, 2105, 2109, 2775, 3515, 3789, 4275, 6315, 6327, 7999, 8325, 10525, 10545, 15577, 17575, 18945, 23997, 31575, 31635, 39995, 46731, 52725, 71991, 77885, 94725, 119985, 140193, 158175, 199975, 233655, 295963, 359955, 389425, 599925, 700965, 887889, 1168275, 1479815, 1799775, 2663667, 3504825, 4439445, 7399075, 13318335, 22197225, 66591675]

約数ペア:

[(1, 66591675), (3, 22197225), (5, 13318335), (9, 7399075), (15, 4439445), (19, 3504825), (25, 2663667), (37, 1799775), (45, 1479815), (57, 1168275), (75, 887889), (95, 700965), (111, 599925), (171, 389425), (185, 359955), (225, 295963), (285, 233655), (333, 199975), (421, 158175), (475, 140193), (555, 119985), (703, 94725), (855, 77885), (925, 71991), (1263, 52725), (1425, 46731), (1665, 39995), (2105, 31635), (2109, 31575), (2775, 23997), (3515, 18945), (3789, 17575), (4275, 15577), (6315, 10545), (6327, 10525), (7999, 8325)]