212912595

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 432222336

約数和(自身を除く): 219309741

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 223, 245, 315, 433, 441, 669, 735, 1115, 1299, 1561, 2007, 2165, 2205, 3031, 3345, 3897, 4683, 6495, 7805, 9093, 10035, 10927, 14049, 15155, 19485, 21217, 23415, 27279, 32781, 45465, 54635, 63651, 70245, 96559, 98343, 106085, 136395, 163905, 190953, 289677, 318255, 482795, 491715, 675913, 869031, 954765, 1448385, 2027739, 3379565, 4345155, 4731391, 6083217, 10138695, 14194173, 23656955, 30416085, 42582519, 70970865, 212912595]

約数ペア:

[(1, 212912595), (3, 70970865), (5, 42582519), (7, 30416085), (9, 23656955), (15, 14194173), (21, 10138695), (35, 6083217), (45, 4731391), (49, 4345155), (63, 3379565), (105, 2027739), (147, 1448385), (223, 954765), (245, 869031), (315, 675913), (433, 491715), (441, 482795), (669, 318255), (735, 289677), (1115, 190953), (1299, 163905), (1561, 136395), (2007, 106085), (2165, 98343), (2205, 96559), (3031, 70245), (3345, 63651), (3897, 54635), (4683, 45465), (6495, 32781), (7805, 27279), (9093, 23415), (10035, 21217), (10927, 19485), (14049, 15155)]