201821467785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{14451949}}^1$

素因数の和:14451990

約数の個数: 48

約数和(自身を含む): 395405352000

約数和(自身を除く): 193583884215

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 14451949, 43355847, 72259745, 101163643, 216779235, 274587031, 303490929, 505818215, 708145501, 823761093, 1372935155, 1517454645, 1922109217, 2124436503, 3540727505, 4118805465, 5766327651, 9610546085, 10622182515, 13454764519, 28831638255, 40364293557, 67273822595, 201821467785]

約数ペア:

[(1, 201821467785), (3, 67273822595), (5, 40364293557), (7, 28831638255), (15, 13454764519), (19, 10622182515), (21, 9610546085), (35, 5766327651), (49, 4118805465), (57, 3540727505), (95, 2124436503), (105, 1922109217), (133, 1517454645), (147, 1372935155), (245, 823761093), (285, 708145501), (399, 505818215), (665, 303490929), (735, 274587031), (931, 216779235), (1995, 101163643), (2793, 72259745), (4655, 43355847), (13965, 14451949)]