261554865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{121937}}^1$

素因数の和:121969

約数の個数: 32

約数和(自身を含む): 491654016

約数和(自身を除く): 230099151

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 121937, 365811, 609685, 1341307, 1585181, 1829055, 4023921, 4755543, 6706535, 7925905, 17436991, 20119605, 23777715, 52310973, 87184955, 261554865]

約数ペア:

[(1, 261554865), (3, 87184955), (5, 52310973), (11, 23777715), (13, 20119605), (15, 17436991), (33, 7925905), (39, 6706535), (55, 4755543), (65, 4023921), (143, 1829055), (165, 1585181), (195, 1341307), (429, 609685), (715, 365811), (2145, 121937)]