551467425

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 967250592

約数和(自身を除く): 415783167

約数列:

[1, 3, 5, 15, 25, 37, 41, 75, 111, 123, 131, 185, 205, 393, 555, 615, 655, 925, 1025, 1369, 1517, 1965, 2775, 3075, 3275, 4107, 4551, 4847, 5371, 6845, 7585, 9825, 14541, 16113, 20535, 22755, 24235, 26855, 34225, 37925, 56129, 72705, 80565, 102675, 113775, 121175, 134275, 168387, 179339, 198727, 280645, 363525, 402825, 538017, 596181, 841935, 896695, 993635, 1403225, 2690085, 2980905, 4209675, 4483475, 4968175, 7352899, 13450425, 14904525, 22058697, 36764495, 110293485, 183822475, 551467425]

約数ペア:

[(1, 551467425), (3, 183822475), (5, 110293485), (15, 36764495), (25, 22058697), (37, 14904525), (41, 13450425), (75, 7352899), (111, 4968175), (123, 4483475), (131, 4209675), (185, 2980905), (205, 2690085), (393, 1403225), (555, 993635), (615, 896695), (655, 841935), (925, 596181), (1025, 538017), (1369, 402825), (1517, 363525), (1965, 280645), (2775, 198727), (3075, 179339), (3275, 168387), (4107, 134275), (4551, 121175), (4847, 113775), (5371, 102675), (6845, 80565), (7585, 72705), (9825, 56129), (14541, 37925), (16113, 34225), (20535, 26855), (22755, 24235)]