210575421

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 355829760

約数和(自身を除く): 145254339

約数列:

[1, 3, 7, 9, 21, 63, 71, 179, 213, 263, 497, 537, 639, 789, 1253, 1491, 1611, 1841, 2367, 3759, 4473, 5523, 11277, 12709, 16569, 18673, 38127, 47077, 56019, 88963, 114381, 130711, 141231, 168057, 266889, 329539, 392133, 423693, 800667, 988617, 1176399, 2965851, 3342467, 10027401, 23397269, 30082203, 70191807, 210575421]

約数ペア:

[(1, 210575421), (3, 70191807), (7, 30082203), (9, 23397269), (21, 10027401), (63, 3342467), (71, 2965851), (179, 1176399), (213, 988617), (263, 800667), (497, 423693), (537, 392133), (639, 329539), (789, 266889), (1253, 168057), (1491, 141231), (1611, 130711), (1841, 114381), (2367, 88963), (3759, 56019), (4473, 47077), (5523, 38127), (11277, 18673), (12709, 16569)]