190040907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1811}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 306155520

約数和(自身を除く): 116114613

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 789, 1811, 1841, 4997, 5433, 5523, 12677, 14991, 34409, 34979, 38031, 103227, 104937, 240863, 476293, 722589, 1428879, 3334051, 9049567, 10002153, 27148701, 63346969, 190040907]

約数ペア:

[(1, 190040907), (3, 63346969), (7, 27148701), (19, 10002153), (21, 9049567), (57, 3334051), (133, 1428879), (263, 722589), (399, 476293), (789, 240863), (1811, 104937), (1841, 103227), (4997, 38031), (5433, 34979), (5523, 34409), (12677, 14991)]