64880193

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1439}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 105062400

約数和(自身を除く): 40182207

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1439, 2147, 2373, 4317, 6441, 10073, 15029, 27341, 30219, 45087, 82023, 162607, 191387, 487821, 574161, 1138249, 3089533, 3414747, 9268599, 21626731, 64880193]

約数ペア:

[(1, 64880193), (3, 21626731), (7, 9268599), (19, 3414747), (21, 3089533), (57, 1138249), (113, 574161), (133, 487821), (339, 191387), (399, 162607), (791, 82023), (1439, 45087), (2147, 30219), (2373, 27341), (4317, 15029), (6441, 10073)]