39778155

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 74057760

約数和(自身を除く): 34279605

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 529, 557, 621, 1035, 1587, 1671, 2645, 2785, 3105, 4761, 5013, 7935, 8355, 12811, 14283, 15039, 23805, 25065, 38433, 64055, 71415, 75195, 115299, 192165, 294653, 345897, 576495, 883959, 1473265, 1729485, 2651877, 4419795, 7955631, 13259385, 39778155]

約数ペア:

[(1, 39778155), (3, 13259385), (5, 7955631), (9, 4419795), (15, 2651877), (23, 1729485), (27, 1473265), (45, 883959), (69, 576495), (115, 345897), (135, 294653), (207, 192165), (345, 115299), (529, 75195), (557, 71415), (621, 64055), (1035, 38433), (1587, 25065), (1671, 23805), (2645, 15039), (2785, 14283), (3105, 12811), (4761, 8355), (5013, 7935)]