128520306

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{420001}}^1$

素因数の和:420026

約数の個数: 24

約数和(自身を含む): 294841404

約数和(自身を除く): 166321098

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 420001, 840002, 1260003, 2520006, 3780009, 7140017, 7560018, 14280034, 21420051, 42840102, 64260153, 128520306]

約数ペア:

[(1, 128520306), (2, 64260153), (3, 42840102), (6, 21420051), (9, 14280034), (17, 7560018), (18, 7140017), (34, 3780009), (51, 2520006), (102, 1260003), (153, 840002), (306, 420001)]