213017475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23473}}^1$

素因数の和:23508

約数の個数: 36

約数和(自身を含む): 387133208

約数和(自身を除く): 174115733

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 3025, 9075, 23473, 70419, 117365, 258203, 352095, 586825, 774609, 1291015, 1760475, 2840233, 3873045, 6455075, 8520699, 14201165, 19365225, 42603495, 71005825, 213017475]

約数ペア:

[(1, 213017475), (3, 71005825), (5, 42603495), (11, 19365225), (15, 14201165), (25, 8520699), (33, 6455075), (55, 3873045), (75, 2840233), (121, 1760475), (165, 1291015), (275, 774609), (363, 586825), (605, 352095), (825, 258203), (1815, 117365), (3025, 70419), (9075, 23473)]