215403097

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 283207680

約数和(自身を除く): 67804583

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2633, 2639, 2821, 6293, 11687, 18431, 34229, 76357, 81623, 81809, 239603, 534499, 571361, 992641, 1061099, 2367067, 6948487, 7427693, 16569469, 30771871, 215403097]

約数ペア:

[(1, 215403097), (7, 30771871), (13, 16569469), (29, 7427693), (31, 6948487), (91, 2367067), (203, 1061099), (217, 992641), (377, 571361), (403, 534499), (899, 239603), (2633, 81809), (2639, 81623), (2821, 76357), (6293, 34229), (11687, 18431)]