645072015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1069}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 1203210720

約数和(自身を除く): 558138705

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 821, 1069, 2463, 3207, 4105, 5345, 5747, 7483, 12315, 16035, 17241, 22449, 28735, 37415, 40229, 52381, 86205, 112245, 120687, 157143, 201145, 261905, 603435, 785715, 877649, 2632947, 4388245, 6143543, 13164735, 18430629, 30717715, 43004801, 92153145, 129014403, 215024005, 645072015]

約数ペア:

[(1, 645072015), (3, 215024005), (5, 129014403), (7, 92153145), (15, 43004801), (21, 30717715), (35, 18430629), (49, 13164735), (105, 6143543), (147, 4388245), (245, 2632947), (735, 877649), (821, 785715), (1069, 603435), (2463, 261905), (3207, 201145), (4105, 157143), (5345, 120687), (5747, 112245), (7483, 86205), (12315, 52381), (16035, 40229), (17241, 37415), (22449, 28735)]