39940635

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 74618640

約数和(自身を除く): 34678005

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1109, 1715, 2401, 3327, 5145, 5545, 7203, 7763, 12005, 16635, 23289, 36015, 38815, 54341, 116445, 163023, 271705, 380387, 815115, 1141161, 1901935, 2662709, 5705805, 7988127, 13313545, 39940635]

約数ペア:

[(1, 39940635), (3, 13313545), (5, 7988127), (7, 5705805), (15, 2662709), (21, 1901935), (35, 1141161), (49, 815115), (105, 380387), (147, 271705), (245, 163023), (343, 116445), (735, 54341), (1029, 38815), (1109, 36015), (1715, 23289), (2401, 16635), (3327, 12005), (5145, 7763), (5545, 7203)]