15919905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 11296095

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 419, 447, 745, 1257, 2095, 2235, 2533, 6285, 7123, 7599, 12665, 21369, 35615, 37995, 62431, 106845, 187293, 312155, 936465, 1061327, 3183981, 5306635, 15919905]

約数ペア:

[(1, 15919905), (3, 5306635), (5, 3183981), (15, 1061327), (17, 936465), (51, 312155), (85, 187293), (149, 106845), (255, 62431), (419, 37995), (447, 35615), (745, 21369), (1257, 12665), (2095, 7599), (2235, 7123), (2533, 6285)]