72977775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 136085040

約数和(自身を除く): 63107265

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 89, 145, 195, 267, 325, 377, 435, 445, 725, 841, 975, 1131, 1157, 1335, 1885, 2175, 2225, 2523, 2581, 3471, 4205, 5655, 5785, 6675, 7743, 9425, 10933, 12615, 12905, 17355, 21025, 28275, 28925, 32799, 33553, 38715, 54665, 63075, 64525, 74849, 86775, 100659, 163995, 167765, 193575, 224547, 273325, 374245, 503295, 819975, 838825, 973037, 1122735, 1871225, 2516475, 2919111, 4865185, 5613675, 14595555, 24325925, 72977775]

約数ペア:

[(1, 72977775), (3, 24325925), (5, 14595555), (13, 5613675), (15, 4865185), (25, 2919111), (29, 2516475), (39, 1871225), (65, 1122735), (75, 973037), (87, 838825), (89, 819975), (145, 503295), (195, 374245), (267, 273325), (325, 224547), (377, 193575), (435, 167765), (445, 163995), (725, 100659), (841, 86775), (975, 74849), (1131, 64525), (1157, 63075), (1335, 54665), (1885, 38715), (2175, 33553), (2225, 32799), (2523, 28925), (2581, 28275), (3471, 21025), (4205, 17355), (5655, 12905), (5785, 12615), (6675, 10933), (7743, 9425)]