28971345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1471}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 50448384

約数和(自身を除く): 21477039

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1471, 1515, 3939, 4413, 6565, 7355, 19123, 19695, 22065, 57369, 95615, 148571, 286845, 445713, 742855, 1931423, 2228565, 5794269, 9657115, 28971345]

約数ペア:

[(1, 28971345), (3, 9657115), (5, 5794269), (13, 2228565), (15, 1931423), (39, 742855), (65, 445713), (101, 286845), (195, 148571), (303, 95615), (505, 57369), (1313, 22065), (1471, 19695), (1515, 19123), (3939, 7355), (4413, 6565)]