28947639

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 46715904

約数和(自身を除く): 17768265

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 821, 1533, 1679, 2463, 5037, 5747, 11753, 17241, 18883, 35259, 56649, 59933, 132181, 179799, 396543, 419531, 1258593, 1378459, 4135377, 9649213, 28947639]

約数ペア:

[(1, 28947639), (3, 9649213), (7, 4135377), (21, 1378459), (23, 1258593), (69, 419531), (73, 396543), (161, 179799), (219, 132181), (483, 59933), (511, 56649), (821, 35259), (1533, 18883), (1679, 17241), (2463, 11753), (5037, 5747)]