90690075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 188487936

約数和(自身を除く): 97797861

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 315, 355, 497, 525, 639, 811, 1065, 1491, 1575, 1775, 2433, 2485, 3195, 4055, 4473, 5325, 5677, 7299, 7455, 12165, 12425, 15975, 17031, 20275, 22365, 28385, 36495, 37275, 51093, 57581, 60825, 85155, 111825, 141925, 172743, 182475, 255465, 287905, 403067, 425775, 518229, 863715, 1209201, 1277325, 1439525, 2015335, 2591145, 3627603, 4318575, 6046005, 10076675, 12955725, 18138015, 30230025, 90690075]

約数ペア:

[(1, 90690075), (3, 30230025), (5, 18138015), (7, 12955725), (9, 10076675), (15, 6046005), (21, 4318575), (25, 3627603), (35, 2591145), (45, 2015335), (63, 1439525), (71, 1277325), (75, 1209201), (105, 863715), (175, 518229), (213, 425775), (225, 403067), (315, 287905), (355, 255465), (497, 182475), (525, 172743), (639, 141925), (811, 111825), (1065, 85155), (1491, 60825), (1575, 57581), (1775, 51093), (2433, 37275), (2485, 36495), (3195, 28385), (4055, 22365), (4473, 20275), (5325, 17031), (5677, 15975), (7299, 12425), (7455, 12165)]