1951695

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 3600960

約数和(自身を除く): 1649265

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 79, 81, 135, 183, 237, 305, 395, 405, 549, 711, 915, 1185, 1647, 2133, 2745, 3555, 4819, 4941, 6399, 8235, 10665, 14457, 24095, 24705, 31995, 43371, 72285, 130113, 216855, 390339, 650565, 1951695]

約数ペア:

[(1, 1951695), (3, 650565), (5, 390339), (9, 216855), (15, 130113), (27, 72285), (45, 43371), (61, 31995), (79, 24705), (81, 24095), (135, 14457), (183, 10665), (237, 8235), (305, 6399), (395, 4941), (405, 4819), (549, 3555), (711, 2745), (915, 2133), (1185, 1647)]