71866125

素因数分解:

$3^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 130830336

約数和(自身を除く): 58964211

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 127, 225, 375, 381, 503, 635, 1125, 1143, 1509, 1905, 2515, 3175, 4527, 5715, 7545, 9525, 12575, 15875, 22635, 28575, 37725, 47625, 62875, 63881, 113175, 142875, 188625, 191643, 319405, 565875, 574929, 958215, 1597025, 2874645, 4791075, 7985125, 14373225, 23955375, 71866125]

約数ペア:

[(1, 71866125), (3, 23955375), (5, 14373225), (9, 7985125), (15, 4791075), (25, 2874645), (45, 1597025), (75, 958215), (125, 574929), (127, 565875), (225, 319405), (375, 191643), (381, 188625), (503, 142875), (635, 113175), (1125, 63881), (1143, 62875), (1509, 47625), (1905, 37725), (2515, 28575), (3175, 22635), (4527, 15875), (5715, 12575), (7545, 9525)]