157215825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 308730240

約数和(自身を除く): 151514415

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 59, 65, 75, 117, 177, 195, 225, 295, 325, 531, 585, 767, 885, 911, 975, 1475, 2301, 2655, 2733, 2925, 3835, 4425, 4555, 6903, 8199, 11505, 11843, 13275, 13665, 19175, 22775, 34515, 35529, 40995, 53749, 57525, 59215, 68325, 106587, 161247, 172575, 177645, 204975, 268745, 296075, 483741, 532935, 698737, 806235, 888225, 1343725, 2096211, 2418705, 2664675, 3493685, 4031175, 6288633, 10481055, 12093525, 17468425, 31443165, 52405275, 157215825]

約数ペア:

[(1, 157215825), (3, 52405275), (5, 31443165), (9, 17468425), (13, 12093525), (15, 10481055), (25, 6288633), (39, 4031175), (45, 3493685), (59, 2664675), (65, 2418705), (75, 2096211), (117, 1343725), (177, 888225), (195, 806235), (225, 698737), (295, 532935), (325, 483741), (531, 296075), (585, 268745), (767, 204975), (885, 177645), (911, 172575), (975, 161247), (1475, 106587), (2301, 68325), (2655, 59215), (2733, 57525), (2925, 53749), (3835, 40995), (4425, 35529), (4555, 34515), (6903, 22775), (8199, 19175), (11505, 13665), (11843, 13275)]