1640259735

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{6521}}^1$

素因数の和:6979

約数の個数: 32

約数和(自身を含む): 2695412160

約数和(自身を除く): 1055152425

約数列:

[1, 3, 5, 15, 41, 123, 205, 409, 615, 1227, 2045, 6135, 6521, 16769, 19563, 32605, 50307, 83845, 97815, 251535, 267361, 802083, 1336805, 2667089, 4010415, 8001267, 13335445, 40006335, 109350649, 328051947, 546753245, 1640259735]

約数ペア:

[(1, 1640259735), (3, 546753245), (5, 328051947), (15, 109350649), (41, 40006335), (123, 13335445), (205, 8001267), (409, 4010415), (615, 2667089), (1227, 1336805), (2045, 802083), (6135, 267361), (6521, 251535), (16769, 97815), (19563, 83845), (32605, 50307)]