7240725

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 14106240

約数和(自身を除く): 6865515

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 631, 675, 765, 1275, 1893, 2295, 3155, 3825, 5679, 9465, 10727, 11475, 15775, 17037, 28395, 32181, 47325, 53635, 85185, 96543, 141975, 160905, 268175, 289629, 425925, 482715, 804525, 1448145, 2413575, 7240725]

約数ペア:

[(1, 7240725), (3, 2413575), (5, 1448145), (9, 804525), (15, 482715), (17, 425925), (25, 289629), (27, 268175), (45, 160905), (51, 141975), (75, 96543), (85, 85185), (135, 53635), (153, 47325), (225, 32181), (255, 28395), (425, 17037), (459, 15775), (631, 11475), (675, 10727), (765, 9465), (1275, 5679), (1893, 3825), (2295, 3155)]