68256987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 99160320

約数和(自身を除く): 30903333

約数列:

[1, 3, 19, 57, 61, 67, 183, 201, 293, 879, 1159, 1273, 3477, 3819, 4087, 5567, 12261, 16701, 17873, 19631, 53619, 58893, 77653, 232959, 339587, 372989, 1018761, 1118967, 1197491, 3592473, 22752329, 68256987]

約数ペア:

[(1, 68256987), (3, 22752329), (19, 3592473), (57, 1197491), (61, 1118967), (67, 1018761), (183, 372989), (201, 339587), (293, 232959), (879, 77653), (1159, 58893), (1273, 53619), (3477, 19631), (3819, 17873), (4087, 16701), (5567, 12261)]