2783157525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21001}}^1$

素因数の和:21067

約数の個数: 72

約数和(自身を含む): 5416835840

約数和(自身を除く): 2633678315

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 589, 775, 855, 1395, 1425, 1767, 2325, 2945, 4275, 5301, 6975, 8835, 14725, 21001, 26505, 44175, 63003, 105005, 132525, 189009, 315015, 399019, 525025, 651031, 945045, 1197057, 1575075, 1953093, 1995095, 3255155, 3591171, 4725225, 5859279, 5985285, 9765465, 9975475, 12369589, 16275775, 17955855, 29296395, 29926425, 37108767, 48827325, 61847945, 89779275, 111326301, 146481975, 185543835, 309239725, 556631505, 927719175, 2783157525]

約数ペア:

[(1, 2783157525), (3, 927719175), (5, 556631505), (9, 309239725), (15, 185543835), (19, 146481975), (25, 111326301), (31, 89779275), (45, 61847945), (57, 48827325), (75, 37108767), (93, 29926425), (95, 29296395), (155, 17955855), (171, 16275775), (225, 12369589), (279, 9975475), (285, 9765465), (465, 5985285), (475, 5859279), (589, 4725225), (775, 3591171), (855, 3255155), (1395, 1995095), (1425, 1953093), (1767, 1575075), (2325, 1197057), (2945, 945045), (4275, 651031), (5301, 525025), (6975, 399019), (8835, 315015), (14725, 189009), (21001, 132525), (26505, 105005), (44175, 63003)]