31055025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 57448704

約数和(自身を除く): 26393679

約数列:

[1, 3, 5, 15, 19, 25, 31, 37, 57, 75, 93, 95, 111, 155, 185, 285, 361, 465, 475, 555, 589, 703, 775, 925, 1083, 1147, 1425, 1767, 1805, 2109, 2325, 2775, 2945, 3441, 3515, 5415, 5735, 8835, 9025, 10545, 11191, 13357, 14725, 17205, 17575, 21793, 27075, 28675, 33573, 40071, 44175, 52725, 55955, 65379, 66785, 86025, 108965, 167865, 200355, 279775, 326895, 333925, 414067, 544825, 839325, 1001775, 1242201, 1634475, 2070335, 6211005, 10351675, 31055025]

約数ペア:

[(1, 31055025), (3, 10351675), (5, 6211005), (15, 2070335), (19, 1634475), (25, 1242201), (31, 1001775), (37, 839325), (57, 544825), (75, 414067), (93, 333925), (95, 326895), (111, 279775), (155, 200355), (185, 167865), (285, 108965), (361, 86025), (465, 66785), (475, 65379), (555, 55955), (589, 52725), (703, 44175), (775, 40071), (925, 33573), (1083, 28675), (1147, 27075), (1425, 21793), (1767, 17575), (1805, 17205), (2109, 14725), (2325, 13357), (2775, 11191), (2945, 10545), (3441, 9025), (3515, 8835), (5415, 5735)]