18225405

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4091}}^1$

素因数の和:4119

約数の個数: 40

約数和(自身を含む): 35649504

約数和(自身を除く): 17424099

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4091, 4455, 12273, 20455, 36819, 45001, 61365, 110457, 135003, 184095, 225005, 331371, 405009, 552285, 675015, 1215027, 1656855, 2025045, 3645081, 6075135, 18225405]

約数ペア:

[(1, 18225405), (3, 6075135), (5, 3645081), (9, 2025045), (11, 1656855), (15, 1215027), (27, 675015), (33, 552285), (45, 405009), (55, 331371), (81, 225005), (99, 184095), (135, 135003), (165, 110457), (297, 61365), (405, 45001), (495, 36819), (891, 20455), (1485, 12273), (4091, 4455)]