15691425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 28426752

約数和(自身を除く): 12735327

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 397, 425, 465, 527, 775, 1191, 1275, 1581, 1985, 2325, 2635, 5955, 6749, 7905, 9925, 12307, 13175, 20247, 29775, 33745, 36921, 39525, 61535, 101235, 168725, 184605, 209219, 307675, 506175, 627657, 923025, 1046095, 3138285, 5230475, 15691425]

約数ペア:

[(1, 15691425), (3, 5230475), (5, 3138285), (15, 1046095), (17, 923025), (25, 627657), (31, 506175), (51, 307675), (75, 209219), (85, 184605), (93, 168725), (155, 101235), (255, 61535), (397, 39525), (425, 36921), (465, 33745), (527, 29775), (775, 20247), (1191, 13175), (1275, 12307), (1581, 9925), (1985, 7905), (2325, 6749), (2635, 5955)]