16885245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 29361024

約数和(自身を除く): 12475779

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 661, 1703, 1965, 1983, 3305, 5109, 8515, 8593, 9915, 25545, 25779, 42965, 86591, 128895, 259773, 432955, 1125683, 1298865, 3377049, 5628415, 16885245]

約数ペア:

[(1, 16885245), (3, 5628415), (5, 3377049), (13, 1298865), (15, 1125683), (39, 432955), (65, 259773), (131, 128895), (195, 86591), (393, 42965), (655, 25779), (661, 25545), (1703, 9915), (1965, 8593), (1983, 8515), (3305, 5109)]