388615725

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4463}}^1$

素因数の和:4528

約数の個数: 60

約数和(自身を含む): 736756416

約数和(自身を除く): 348140691

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 645, 675, 1075, 1161, 1935, 2025, 3225, 3483, 4463, 5805, 9675, 13389, 17415, 22315, 29025, 40167, 66945, 87075, 111575, 120501, 191909, 200835, 334725, 361503, 575727, 602505, 959545, 1004175, 1727181, 1807515, 2878635, 3012525, 4797725, 5181543, 8635905, 9037575, 14393175, 15544629, 25907715, 43179525, 77723145, 129538575, 388615725]

約数ペア:

[(1, 388615725), (3, 129538575), (5, 77723145), (9, 43179525), (15, 25907715), (25, 15544629), (27, 14393175), (43, 9037575), (45, 8635905), (75, 5181543), (81, 4797725), (129, 3012525), (135, 2878635), (215, 1807515), (225, 1727181), (387, 1004175), (405, 959545), (645, 602505), (675, 575727), (1075, 361503), (1161, 334725), (1935, 200835), (2025, 191909), (3225, 120501), (3483, 111575), (4463, 87075), (5805, 66945), (9675, 40167), (13389, 29025), (17415, 22315)]