16563879

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 25444800

約数和(自身を除く): 8880921

約数列:

[1, 3, 9, 27, 61, 89, 113, 183, 267, 339, 549, 801, 1017, 1647, 2403, 3051, 5429, 6893, 10057, 16287, 20679, 30171, 48861, 62037, 90513, 146583, 186111, 271539, 613477, 1840431, 5521293, 16563879]

約数ペア:

[(1, 16563879), (3, 5521293), (9, 1840431), (27, 613477), (61, 271539), (89, 186111), (113, 146583), (183, 90513), (267, 62037), (339, 48861), (549, 30171), (801, 20679), (1017, 16287), (1647, 10057), (2403, 6893), (3051, 5429)]