381657987

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 587059200

約数和(自身を除く): 205401213

約数列:

[1, 3, 9, 27, 81, 83, 127, 149, 243, 249, 381, 447, 747, 1143, 1341, 2241, 3429, 4023, 6723, 10287, 10541, 12069, 12367, 18923, 20169, 30861, 31623, 36207, 37101, 56769, 94869, 111303, 170307, 284607, 333909, 510921, 853821, 1001727, 1532763, 1570609, 2561463, 3005181, 4598289, 4711827, 14135481, 42406443, 127219329, 381657987]

約数ペア:

[(1, 381657987), (3, 127219329), (9, 42406443), (27, 14135481), (81, 4711827), (83, 4598289), (127, 3005181), (149, 2561463), (243, 1570609), (249, 1532763), (381, 1001727), (447, 853821), (747, 510921), (1143, 333909), (1341, 284607), (2241, 170307), (3429, 111303), (4023, 94869), (6723, 56769), (10287, 37101), (10541, 36207), (12069, 31623), (12367, 30861), (18923, 20169)]