211064895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 383145984

約数和(自身を除く): 172081089

約数列:

[1, 3, 5, 9, 15, 31, 45, 71, 93, 155, 213, 279, 355, 465, 639, 1065, 1395, 2131, 2201, 3195, 6393, 6603, 10655, 11005, 19179, 19809, 31965, 33015, 66061, 95895, 99045, 151301, 198183, 330305, 453903, 594549, 756505, 990915, 1361709, 2269515, 2972745, 4690331, 6808545, 14070993, 23451655, 42212979, 70354965, 211064895]

約数ペア:

[(1, 211064895), (3, 70354965), (5, 42212979), (9, 23451655), (15, 14070993), (31, 6808545), (45, 4690331), (71, 2972745), (93, 2269515), (155, 1361709), (213, 990915), (279, 756505), (355, 594549), (465, 453903), (639, 330305), (1065, 198183), (1395, 151301), (2131, 99045), (2201, 95895), (3195, 66061), (6393, 33015), (6603, 31965), (10655, 19809), (11005, 19179)]