42921333

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 79325568

約数和(自身を除く): 36404235

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 647, 729, 819, 1053, 1701, 1941, 2457, 3159, 4529, 5103, 5823, 7371, 8411, 9477, 13587, 17469, 22113, 25233, 40761, 52407, 58877, 66339, 75699, 122283, 157221, 176631, 227097, 366849, 471663, 529893, 681291, 1100547, 1589679, 2043873, 3301641, 4769037, 6131619, 14307111, 42921333]

約数ペア:

[(1, 42921333), (3, 14307111), (7, 6131619), (9, 4769037), (13, 3301641), (21, 2043873), (27, 1589679), (39, 1100547), (63, 681291), (81, 529893), (91, 471663), (117, 366849), (189, 227097), (243, 176631), (273, 157221), (351, 122283), (567, 75699), (647, 66339), (729, 58877), (819, 52407), (1053, 40761), (1701, 25233), (1941, 22113), (2457, 17469), (3159, 13587), (4529, 9477), (5103, 8411), (5823, 7371)]