25917435

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 25093125

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 491, 621, 765, 1035, 1173, 1473, 1955, 2295, 2455, 3105, 3519, 4419, 5865, 7365, 8347, 10557, 11293, 13257, 17595, 22095, 25041, 33879, 41735, 52785, 56465, 66285, 75123, 101637, 125205, 169395, 191981, 225369, 304911, 375615, 508185, 575943, 959905, 1126845, 1524555, 1727829, 2879715, 5183487, 8639145, 25917435]

約数ペア:

[(1, 25917435), (3, 8639145), (5, 5183487), (9, 2879715), (15, 1727829), (17, 1524555), (23, 1126845), (27, 959905), (45, 575943), (51, 508185), (69, 375615), (85, 304911), (115, 225369), (135, 191981), (153, 169395), (207, 125205), (255, 101637), (345, 75123), (391, 66285), (459, 56465), (491, 52785), (621, 41735), (765, 33879), (1035, 25041), (1173, 22095), (1473, 17595), (1955, 13257), (2295, 11293), (2455, 10557), (3105, 8347), (3519, 7365), (4419, 5865)]