25620615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 47612448

約数和(自身を除く): 21991833

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 255, 313, 321, 535, 765, 939, 963, 1565, 1605, 1819, 2817, 4695, 4815, 5321, 5457, 9095, 14085, 15963, 16371, 26605, 27285, 33491, 47889, 79815, 81855, 100473, 167455, 239445, 301419, 502365, 569347, 1507095, 1708041, 2846735, 5124123, 8540205, 25620615]

約数ペア:

[(1, 25620615), (3, 8540205), (5, 5124123), (9, 2846735), (15, 1708041), (17, 1507095), (45, 569347), (51, 502365), (85, 301419), (107, 239445), (153, 167455), (255, 100473), (313, 81855), (321, 79815), (535, 47889), (765, 33491), (939, 27285), (963, 26605), (1565, 16371), (1605, 15963), (1819, 14085), (2817, 9095), (4695, 5457), (4815, 5321)]