405672057

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8039}}^1$

素因数の和:8147

約数の個数: 40

約数和(自身を含む): 700444800

約数和(自身を除く): 294772743

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 267, 567, 623, 801, 1869, 2403, 5607, 7209, 8039, 16821, 24117, 50463, 56273, 72351, 168819, 217053, 506457, 651159, 715471, 1519371, 2146413, 4558113, 5008297, 6439239, 15024891, 19317717, 45074673, 57953151, 135224019, 405672057]

約数ペア:

[(1, 405672057), (3, 135224019), (7, 57953151), (9, 45074673), (21, 19317717), (27, 15024891), (63, 6439239), (81, 5008297), (89, 4558113), (189, 2146413), (267, 1519371), (567, 715471), (623, 651159), (801, 506457), (1869, 217053), (2403, 168819), (5607, 72351), (7209, 56273), (8039, 50463), (16821, 24117)]