261605955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{46261}}^1$

素因数の和:46311

約数の個数: 32

約数和(自身を含む): 466320960

約数和(自身を除く): 204715005

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 46261, 138783, 231305, 601393, 693915, 1341569, 1804179, 3006965, 4024707, 6707845, 9020895, 17440397, 20123535, 52321191, 87201985, 261605955]

約数ペア:

[(1, 261605955), (3, 87201985), (5, 52321191), (13, 20123535), (15, 17440397), (29, 9020895), (39, 6707845), (65, 4024707), (87, 3006965), (145, 1804179), (195, 1341569), (377, 693915), (435, 601393), (1131, 231305), (1885, 138783), (5655, 46261)]