220473

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 370656

約数和(自身を除く): 150183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 131, 153, 187, 393, 561, 1179, 1441, 1683, 2227, 4323, 6681, 12969, 20043, 24497, 73491, 220473]

約数ペア:

[(1, 220473), (3, 73491), (9, 24497), (11, 20043), (17, 12969), (33, 6681), (51, 4323), (99, 2227), (131, 1683), (153, 1441), (187, 1179), (393, 561)]