213052105

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 314705664

約数和(自身を除く): 101653559

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 311, 529, 805, 851, 1295, 1555, 2177, 2645, 3703, 4255, 5957, 7153, 10885, 11507, 18515, 19573, 29785, 35765, 50071, 57535, 80549, 97865, 137011, 164519, 250355, 264661, 402745, 685055, 822595, 1151633, 1323305, 1852627, 5758165, 6087203, 9263135, 30436015, 42610421, 213052105]

約数ペア:

[(1, 213052105), (5, 42610421), (7, 30436015), (23, 9263135), (35, 6087203), (37, 5758165), (115, 1852627), (161, 1323305), (185, 1151633), (259, 822595), (311, 685055), (529, 402745), (805, 264661), (851, 250355), (1295, 164519), (1555, 137011), (2177, 97865), (2645, 80549), (3703, 57535), (4255, 50071), (5957, 35765), (7153, 29785), (10885, 19573), (11507, 18515)]