209215797

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 342948480

約数和(自身を除く): 133732683

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 509, 529, 777, 851, 1527, 1587, 2553, 3563, 3703, 5957, 10689, 11109, 11707, 17871, 18833, 19573, 35121, 56499, 58719, 81949, 131831, 137011, 245847, 269261, 395493, 411033, 433159, 807783, 1299477, 1884827, 3032113, 5654481, 9096339, 9962657, 29887971, 69738599, 209215797]

約数ペア:

[(1, 209215797), (3, 69738599), (7, 29887971), (21, 9962657), (23, 9096339), (37, 5654481), (69, 3032113), (111, 1884827), (161, 1299477), (259, 807783), (483, 433159), (509, 411033), (529, 395493), (777, 269261), (851, 245847), (1527, 137011), (1587, 131831), (2553, 81949), (3563, 58719), (3703, 56499), (5957, 35121), (10689, 19573), (11109, 18833), (11707, 17871)]