13172925

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 23069952

約数和(自身を除く): 9897027

約数列:

[1, 3, 5, 15, 25, 37, 47, 75, 101, 111, 141, 185, 235, 303, 505, 555, 705, 925, 1175, 1515, 1739, 2525, 2775, 3525, 3737, 4747, 5217, 7575, 8695, 11211, 14241, 18685, 23735, 26085, 43475, 56055, 71205, 93425, 118675, 130425, 175639, 280275, 356025, 526917, 878195, 2634585, 4390975, 13172925]

約数ペア:

[(1, 13172925), (3, 4390975), (5, 2634585), (15, 878195), (25, 526917), (37, 356025), (47, 280275), (75, 175639), (101, 130425), (111, 118675), (141, 93425), (185, 71205), (235, 56055), (303, 43475), (505, 26085), (555, 23735), (705, 18685), (925, 14241), (1175, 11211), (1515, 8695), (1739, 7575), (2525, 5217), (2775, 4747), (3525, 3737)]