220276575

素因数分解:

$3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{5659}}^1$

素因数の和:5848

約数の個数: 36

約数和(自身を含む): 396890520

約数和(自身を除く): 176613945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 173, 225, 519, 865, 1557, 2595, 4325, 5659, 7785, 12975, 16977, 28295, 38925, 50931, 84885, 141475, 254655, 424425, 979007, 1273275, 2937021, 4895035, 8811063, 14685105, 24475175, 44055315, 73425525, 220276575]

約数ペア:

[(1, 220276575), (3, 73425525), (5, 44055315), (9, 24475175), (15, 14685105), (25, 8811063), (45, 4895035), (75, 2937021), (173, 1273275), (225, 979007), (519, 424425), (865, 254655), (1557, 141475), (2595, 84885), (4325, 50931), (5659, 38925), (7785, 28295), (12975, 16977)]