724858281

素因数分解:

$3^3\times 7^1\times {\mathrm{1297}}^1\times {\mathrm{2957}}^1$

素因数の和:4270

約数の個数: 32

約数和(自身を含む): 1228634880

約数和(自身を除く): 503776599

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1297, 2957, 3891, 8871, 9079, 11673, 20699, 26613, 27237, 35019, 62097, 79839, 81711, 186291, 245133, 558873, 3835229, 11505687, 26846603, 34517061, 80539809, 103551183, 241619427, 724858281]

約数ペア:

[(1, 724858281), (3, 241619427), (7, 103551183), (9, 80539809), (21, 34517061), (27, 26846603), (63, 11505687), (189, 3835229), (1297, 558873), (2957, 245133), (3891, 186291), (8871, 81711), (9079, 79839), (11673, 62097), (20699, 35019), (26613, 27237)]