11989215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{4229}}^1$

素因数の和:4253

約数の個数: 40

約数和(自身を含む): 24567840

約数和(自身を除く): 12578625

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 4229, 12687, 21145, 29603, 38061, 63435, 88809, 114183, 148015, 190305, 266427, 342549, 444045, 570915, 799281, 1332135, 1712745, 2397843, 3996405, 11989215]

約数ペア:

[(1, 11989215), (3, 3996405), (5, 2397843), (7, 1712745), (9, 1332135), (15, 799281), (21, 570915), (27, 444045), (35, 342549), (45, 266427), (63, 190305), (81, 148015), (105, 114183), (135, 88809), (189, 63435), (315, 38061), (405, 29603), (567, 21145), (945, 12687), (2835, 4229)]