2019433725

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4547

約数の個数: 72

約数和(自身を含む): 3780746112

約数和(自身を除く): 1761312387

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 47, 75, 129, 141, 215, 225, 235, 387, 423, 645, 705, 1075, 1175, 1935, 2021, 2115, 3225, 3525, 4441, 6063, 9675, 10105, 10575, 13323, 18189, 22205, 30315, 39969, 50525, 66615, 90945, 111025, 151575, 190963, 199845, 208727, 333075, 454725, 572889, 626181, 954815, 999225, 1043635, 1718667, 1878543, 2864445, 3130905, 4774075, 5218175, 8593335, 8975261, 9392715, 14322225, 15654525, 26925783, 42966675, 44876305, 46963575, 80777349, 134628915, 224381525, 403886745, 673144575, 2019433725]

約数ペア:

[(1, 2019433725), (3, 673144575), (5, 403886745), (9, 224381525), (15, 134628915), (25, 80777349), (43, 46963575), (45, 44876305), (47, 42966675), (75, 26925783), (129, 15654525), (141, 14322225), (215, 9392715), (225, 8975261), (235, 8593335), (387, 5218175), (423, 4774075), (645, 3130905), (705, 2864445), (1075, 1878543), (1175, 1718667), (1935, 1043635), (2021, 999225), (2115, 954815), (3225, 626181), (3525, 572889), (4441, 454725), (6063, 333075), (9675, 208727), (10105, 199845), (10575, 190963), (13323, 151575), (18189, 111025), (22205, 90945), (30315, 66615), (39969, 50525)]