223089621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 319589760

約数和(自身を除く): 96500139

約数列:

[1, 3, 19, 57, 97, 157, 257, 291, 471, 771, 1843, 2983, 4883, 5529, 8949, 14649, 15229, 24929, 40349, 45687, 74787, 121047, 289351, 473651, 766631, 868053, 1420953, 2299893, 3913853, 11741559, 74363207, 223089621]

約数ペア:

[(1, 223089621), (3, 74363207), (19, 11741559), (57, 3913853), (97, 2299893), (157, 1420953), (257, 868053), (291, 766631), (471, 473651), (771, 289351), (1843, 121047), (2983, 74787), (4883, 45687), (5529, 40349), (8949, 24929), (14649, 15229)]