25556685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 54172800

約数和(自身を除く): 28616115

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 49, 55, 77, 87, 105, 109, 145, 147, 165, 203, 231, 245, 319, 327, 385, 435, 539, 545, 609, 735, 763, 957, 1015, 1155, 1199, 1421, 1595, 1617, 1635, 2233, 2289, 2695, 3045, 3161, 3597, 3815, 4263, 4785, 5341, 5995, 6699, 7105, 8085, 8393, 9483, 11165, 11445, 15631, 15805, 16023, 17985, 21315, 22127, 25179, 26705, 33495, 34771, 41965, 46893, 47415, 58751, 66381, 78155, 80115, 104313, 110635, 125895, 154889, 173855, 176253, 234465, 243397, 293755, 331905, 464667, 521565, 730191, 774445, 881265, 1216985, 1703779, 2323335, 3650955, 5111337, 8518895, 25556685]

約数ペア:

[(1, 25556685), (3, 8518895), (5, 5111337), (7, 3650955), (11, 2323335), (15, 1703779), (21, 1216985), (29, 881265), (33, 774445), (35, 730191), (49, 521565), (55, 464667), (77, 331905), (87, 293755), (105, 243397), (109, 234465), (145, 176253), (147, 173855), (165, 154889), (203, 125895), (231, 110635), (245, 104313), (319, 80115), (327, 78155), (385, 66381), (435, 58751), (539, 47415), (545, 46893), (609, 41965), (735, 34771), (763, 33495), (957, 26705), (1015, 25179), (1155, 22127), (1199, 21315), (1421, 17985), (1595, 16023), (1617, 15805), (1635, 15631), (2233, 11445), (2289, 11165), (2695, 9483), (3045, 8393), (3161, 8085), (3597, 7105), (3815, 6699), (4263, 5995), (4785, 5341)]