3973238217

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{21727}}^1$

素因数の和:22270

約数の個数: 32

約数和(自身を含む): 6351528960

約数和(自身を除く): 2378290743

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 521, 1563, 4689, 6773, 14067, 20319, 21727, 60957, 65181, 182871, 195543, 282451, 586629, 847353, 2542059, 7626177, 11319767, 33959301, 101877903, 147156971, 305633709, 441470913, 1324412739, 3973238217]

約数ペア:

[(1, 3973238217), (3, 1324412739), (9, 441470913), (13, 305633709), (27, 147156971), (39, 101877903), (117, 33959301), (351, 11319767), (521, 7626177), (1563, 2542059), (4689, 847353), (6773, 586629), (14067, 282451), (20319, 195543), (21727, 182871), (60957, 65181)]