71894025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 54

約数和(自身を含む): 149816862

約数和(自身を除く): 77922837

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 3675, 6521, 11025, 19563, 32605, 45647, 58689, 97815, 136941, 163025, 228235, 293445, 319529, 410823, 489075, 684705, 958587, 1141175, 1467225, 1597645, 2054115, 2875761, 3423525, 4792935, 7988225, 10270575, 14378805, 23964675, 71894025]

約数ペア:

[(1, 71894025), (3, 23964675), (5, 14378805), (7, 10270575), (9, 7988225), (15, 4792935), (21, 3423525), (25, 2875761), (35, 2054115), (45, 1597645), (49, 1467225), (63, 1141175), (75, 958587), (105, 684705), (147, 489075), (175, 410823), (225, 319529), (245, 293445), (315, 228235), (441, 163025), (525, 136941), (735, 97815), (1225, 58689), (1575, 45647), (2205, 32605), (3675, 19563), (6521, 11025)]