221425839

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1931}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 341268480

約数和(自身を除く): 119842641

約数列:

[1, 3, 9, 27, 31, 93, 137, 279, 411, 837, 1233, 1931, 3699, 4247, 5793, 12741, 17379, 38223, 52137, 59861, 114669, 179583, 264547, 538749, 793641, 1616247, 2380923, 7142769, 8200957, 24602871, 73808613, 221425839]

約数ペア:

[(1, 221425839), (3, 73808613), (9, 24602871), (27, 8200957), (31, 7142769), (93, 2380923), (137, 1616247), (279, 793641), (411, 538749), (837, 264547), (1233, 179583), (1931, 114669), (3699, 59861), (4247, 52137), (5793, 38223), (12741, 17379)]