279331389

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12157}}^1$

素因数の和:12226

約数の個数: 32

約数和(自身を含む): 443523840

約数和(自身を除く): 164192451

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 2553, 7659, 12157, 22977, 36471, 109413, 279611, 328239, 449809, 838833, 1349427, 2516499, 4048281, 7549497, 10345607, 12144843, 31036821, 93110463, 279331389]

約数ペア:

[(1, 279331389), (3, 93110463), (9, 31036821), (23, 12144843), (27, 10345607), (37, 7549497), (69, 4048281), (111, 2516499), (207, 1349427), (333, 838833), (621, 449809), (851, 328239), (999, 279611), (2553, 109413), (7659, 36471), (12157, 22977)]