135534375

素因数分解:

$3^2\times 5^5\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 251858880

約数和(自身を除く): 116324505

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 79, 125, 183, 225, 237, 305, 375, 395, 549, 625, 711, 915, 1125, 1185, 1525, 1875, 1975, 2745, 3125, 3555, 4575, 4819, 5625, 5925, 7625, 9375, 9875, 13725, 14457, 17775, 22875, 24095, 28125, 29625, 38125, 43371, 49375, 68625, 72285, 88875, 114375, 120475, 148125, 190625, 216855, 246875, 343125, 361425, 444375, 571875, 602375, 740625, 1084275, 1715625, 1807125, 2221875, 3011875, 5421375, 9035625, 15059375, 27106875, 45178125, 135534375]

約数ペア:

[(1, 135534375), (3, 45178125), (5, 27106875), (9, 15059375), (15, 9035625), (25, 5421375), (45, 3011875), (61, 2221875), (75, 1807125), (79, 1715625), (125, 1084275), (183, 740625), (225, 602375), (237, 571875), (305, 444375), (375, 361425), (395, 343125), (549, 246875), (625, 216855), (711, 190625), (915, 148125), (1125, 120475), (1185, 114375), (1525, 88875), (1875, 72285), (1975, 68625), (2745, 49375), (3125, 43371), (3555, 38125), (4575, 29625), (4819, 28125), (5625, 24095), (5925, 22875), (7625, 17775), (9375, 14457), (9875, 13725)]