691173

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 40

約数和(自身を含む): 1254528

約数和(自身を除く): 563355

約数列:

[1, 3, 7, 9, 21, 23, 27, 53, 63, 69, 81, 159, 161, 189, 207, 371, 477, 483, 567, 621, 1113, 1219, 1431, 1449, 1863, 3339, 3657, 4293, 4347, 8533, 10017, 10971, 13041, 25599, 30051, 32913, 76797, 98739, 230391, 691173]

約数ペア:

[(1, 691173), (3, 230391), (7, 98739), (9, 76797), (21, 32913), (23, 30051), (27, 25599), (53, 13041), (63, 10971), (69, 10017), (81, 8533), (159, 4347), (161, 4293), (189, 3657), (207, 3339), (371, 1863), (477, 1449), (483, 1431), (567, 1219), (621, 1113)]