71403075

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 136955520

約数和(自身を除く): 65552445

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 75, 87, 93, 145, 155, 225, 261, 279, 353, 435, 465, 725, 775, 899, 1059, 1305, 1395, 1765, 2175, 2325, 2697, 3177, 4495, 5295, 6525, 6975, 8091, 8825, 10237, 10943, 13485, 15885, 22475, 26475, 30711, 32829, 40455, 51185, 54715, 67425, 79425, 92133, 98487, 153555, 164145, 202275, 255925, 273575, 317347, 460665, 492435, 767775, 820725, 952041, 1586735, 2303325, 2462175, 2856123, 4760205, 7933675, 14280615, 23801025, 71403075]

約数ペア:

[(1, 71403075), (3, 23801025), (5, 14280615), (9, 7933675), (15, 4760205), (25, 2856123), (29, 2462175), (31, 2303325), (45, 1586735), (75, 952041), (87, 820725), (93, 767775), (145, 492435), (155, 460665), (225, 317347), (261, 273575), (279, 255925), (353, 202275), (435, 164145), (465, 153555), (725, 98487), (775, 92133), (899, 79425), (1059, 67425), (1305, 54715), (1395, 51185), (1765, 40455), (2175, 32829), (2325, 30711), (2697, 26475), (3177, 22475), (4495, 15885), (5295, 13485), (6525, 10943), (6975, 10237), (8091, 8825)]