31465725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 29601795

約数列:

[1, 3, 5, 15, 17, 23, 25, 29, 37, 51, 69, 75, 85, 87, 111, 115, 145, 185, 255, 345, 391, 425, 435, 493, 555, 575, 629, 667, 725, 851, 925, 1073, 1173, 1275, 1479, 1725, 1887, 1955, 2001, 2175, 2465, 2553, 2775, 3145, 3219, 3335, 4255, 5365, 5865, 7395, 9435, 9775, 10005, 11339, 12325, 12765, 14467, 15725, 16095, 16675, 18241, 21275, 24679, 26825, 29325, 34017, 36975, 43401, 47175, 50025, 54723, 56695, 63825, 72335, 74037, 80475, 91205, 123395, 170085, 217005, 273615, 283475, 361675, 370185, 419543, 456025, 616975, 850425, 1085025, 1258629, 1368075, 1850925, 2097715, 6293145, 10488575, 31465725]

約数ペア:

[(1, 31465725), (3, 10488575), (5, 6293145), (15, 2097715), (17, 1850925), (23, 1368075), (25, 1258629), (29, 1085025), (37, 850425), (51, 616975), (69, 456025), (75, 419543), (85, 370185), (87, 361675), (111, 283475), (115, 273615), (145, 217005), (185, 170085), (255, 123395), (345, 91205), (391, 80475), (425, 74037), (435, 72335), (493, 63825), (555, 56695), (575, 54723), (629, 50025), (667, 47175), (725, 43401), (851, 36975), (925, 34017), (1073, 29325), (1173, 26825), (1275, 24679), (1479, 21275), (1725, 18241), (1887, 16675), (1955, 16095), (2001, 15725), (2175, 14467), (2465, 12765), (2553, 12325), (2775, 11339), (3145, 10005), (3219, 9775), (3335, 9435), (4255, 7395), (5365, 5865)]