17969931

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 31467744

約数和(自身を除く): 13497813

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 773, 861, 1107, 2319, 2583, 3321, 5411, 6957, 7749, 16233, 20871, 23247, 31693, 48699, 62613, 95079, 146097, 221851, 285237, 438291, 665553, 855711, 1996659, 2567133, 5989977, 17969931]

約数ペア:

[(1, 17969931), (3, 5989977), (7, 2567133), (9, 1996659), (21, 855711), (27, 665553), (41, 438291), (63, 285237), (81, 221851), (123, 146097), (189, 95079), (287, 62613), (369, 48699), (567, 31693), (773, 23247), (861, 20871), (1107, 16233), (2319, 7749), (2583, 6957), (3321, 5411)]