30764781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 49747932

約数和(自身を除く): 18983151

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 361, 557, 969, 1083, 1671, 2907, 3249, 5013, 6137, 9469, 10583, 18411, 28407, 31749, 55233, 85221, 95247, 179911, 201077, 539733, 603231, 1619199, 1809693, 3418309, 10254927, 30764781]

約数ペア:

[(1, 30764781), (3, 10254927), (9, 3418309), (17, 1809693), (19, 1619199), (51, 603231), (57, 539733), (153, 201077), (171, 179911), (323, 95247), (361, 85221), (557, 55233), (969, 31749), (1083, 28407), (1671, 18411), (2907, 10583), (3249, 9469), (5013, 6137)]