1313873379

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{178249}}^1$

素因数の和:178281

約数の個数: 40

約数和(自身を含む): 2415644000

約数和(自身を除く): 1101770621

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 178249, 534747, 1247743, 1604241, 2317237, 3743229, 4812723, 6951711, 11229687, 14438169, 16220659, 20855133, 33689061, 48661977, 62565399, 101067183, 145985931, 187696197, 437957793, 1313873379]

約数ペア:

[(1, 1313873379), (3, 437957793), (7, 187696197), (9, 145985931), (13, 101067183), (21, 62565399), (27, 48661977), (39, 33689061), (63, 20855133), (81, 16220659), (91, 14438169), (117, 11229687), (189, 6951711), (273, 4812723), (351, 3743229), (567, 2317237), (819, 1604241), (1053, 1247743), (2457, 534747), (7371, 178249)]