72128925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 142603968

約数和(自身を除く): 70475043

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 151, 165, 193, 225, 275, 453, 495, 579, 755, 825, 965, 1359, 1661, 1737, 2123, 2265, 2475, 2895, 3775, 4825, 4983, 6369, 6795, 8305, 8685, 10615, 11325, 14475, 14949, 19107, 24915, 29143, 31845, 33975, 41525, 43425, 53075, 74745, 87429, 95535, 124575, 145715, 159225, 262287, 320573, 373725, 437145, 477675, 728575, 961719, 1311435, 1602865, 2185725, 2885157, 4808595, 6557175, 8014325, 14425785, 24042975, 72128925]

約数ペア:

[(1, 72128925), (3, 24042975), (5, 14425785), (9, 8014325), (11, 6557175), (15, 4808595), (25, 2885157), (33, 2185725), (45, 1602865), (55, 1311435), (75, 961719), (99, 728575), (151, 477675), (165, 437145), (193, 373725), (225, 320573), (275, 262287), (453, 159225), (495, 145715), (579, 124575), (755, 95535), (825, 87429), (965, 74745), (1359, 53075), (1661, 43425), (1737, 41525), (2123, 33975), (2265, 31845), (2475, 29143), (2895, 24915), (3775, 19107), (4825, 14949), (4983, 14475), (6369, 11325), (6795, 10615), (8305, 8685)]