1389777987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1\times {\mathrm{1091}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 2025354240

約数和(自身を除く): 635576253

約数列:

[1, 3, 13, 39, 89, 267, 367, 1091, 1101, 1157, 3273, 3471, 4771, 14183, 14313, 32663, 42549, 97099, 97989, 291297, 400397, 424619, 1201191, 1262287, 1273857, 3786861, 5205161, 15615483, 35635333, 106905999, 463259329, 1389777987]

約数ペア:

[(1, 1389777987), (3, 463259329), (13, 106905999), (39, 35635333), (89, 15615483), (267, 5205161), (367, 3786861), (1091, 1273857), (1101, 1262287), (1157, 1201191), (3273, 424619), (3471, 400397), (4771, 291297), (14183, 97989), (14313, 97099), (32663, 42549)]