681318945

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5821}}^1$

素因数の和:5872

約数の個数: 60

約数和(自身を含む): 1297619004

約数和(自身を除く): 616300059

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 289, 405, 459, 765, 867, 1377, 1445, 2295, 2601, 4335, 5821, 6885, 7803, 13005, 17463, 23409, 29105, 39015, 52389, 87315, 98957, 117045, 157167, 261945, 296871, 471501, 494785, 785835, 890613, 1484355, 1682269, 2357505, 2671839, 4453065, 5046807, 8015517, 8411345, 13359195, 15140421, 25234035, 40077585, 45421263, 75702105, 136263789, 227106315, 681318945]

約数ペア:

[(1, 681318945), (3, 227106315), (5, 136263789), (9, 75702105), (15, 45421263), (17, 40077585), (27, 25234035), (45, 15140421), (51, 13359195), (81, 8411345), (85, 8015517), (135, 5046807), (153, 4453065), (255, 2671839), (289, 2357505), (405, 1682269), (459, 1484355), (765, 890613), (867, 785835), (1377, 494785), (1445, 471501), (2295, 296871), (2601, 261945), (4335, 157167), (5821, 117045), (6885, 98957), (7803, 87315), (13005, 52389), (17463, 39015), (23409, 29105)]