818235

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 64

約数和(自身を含む): 1728000

約数和(自身を除く): 909765

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 29, 33, 45, 55, 57, 87, 95, 99, 135, 145, 165, 171, 209, 261, 285, 297, 319, 435, 495, 513, 551, 627, 783, 855, 957, 1045, 1305, 1485, 1595, 1653, 1881, 2565, 2755, 2871, 3135, 3915, 4785, 4959, 5643, 6061, 8265, 8613, 9405, 14355, 14877, 18183, 24795, 28215, 30305, 43065, 54549, 74385, 90915, 163647, 272745, 818235]

約数ペア:

[(1, 818235), (3, 272745), (5, 163647), (9, 90915), (11, 74385), (15, 54549), (19, 43065), (27, 30305), (29, 28215), (33, 24795), (45, 18183), (55, 14877), (57, 14355), (87, 9405), (95, 8613), (99, 8265), (135, 6061), (145, 5643), (165, 4959), (171, 4785), (209, 3915), (261, 3135), (285, 2871), (297, 2755), (319, 2565), (435, 1881), (495, 1653), (513, 1595), (551, 1485), (627, 1305), (783, 1045), (855, 957)]