138688515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{440281}}^1$

素因数の和:440299

約数の個数: 24

約数和(自身を含む): 274735968

約数和(自身を除く): 136047453

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 440281, 1320843, 2201405, 3081967, 3962529, 6604215, 9245901, 15409835, 19812645, 27737703, 46229505, 138688515]

約数ペア:

[(1, 138688515), (3, 46229505), (5, 27737703), (7, 19812645), (9, 15409835), (15, 9245901), (21, 6604215), (35, 3962529), (45, 3081967), (63, 2201405), (105, 1320843), (315, 440281)]