279927741

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 400498560

約数和(自身を除く): 120570819

約数列:

[1, 3, 19, 57, 97, 197, 257, 291, 591, 771, 1843, 3743, 4883, 5529, 11229, 14649, 19109, 24929, 50629, 57327, 74787, 151887, 363071, 473651, 961951, 1089213, 1420953, 2885853, 4911013, 14733039, 93309247, 279927741]

約数ペア:

[(1, 279927741), (3, 93309247), (19, 14733039), (57, 4911013), (97, 2885853), (197, 1420953), (257, 1089213), (291, 961951), (591, 473651), (771, 363071), (1843, 151887), (3743, 74787), (4883, 57327), (5529, 50629), (11229, 24929), (14649, 19109)]