620535981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4557

約数の個数: 32

約数和(自身を含む): 921191040

約数和(自身を除く): 300655059

約数列:

[1, 3, 13, 39, 59, 61, 177, 183, 767, 793, 2301, 2379, 3599, 4421, 10797, 13263, 46787, 57473, 140361, 172419, 260839, 269681, 782517, 809043, 3390907, 3505853, 10172721, 10517559, 15911179, 47733537, 206845327, 620535981]

約数ペア:

[(1, 620535981), (3, 206845327), (13, 47733537), (39, 15911179), (59, 10517559), (61, 10172721), (177, 3505853), (183, 3390907), (767, 809043), (793, 782517), (2301, 269681), (2379, 260839), (3599, 172419), (4421, 140361), (10797, 57473), (13263, 46787)]