289740015

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{222023}}^1$

素因数の和:222063

約数の個数: 24

約数和(自身を含む): 519536160

約数和(自身を除く): 229796145

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 222023, 666069, 1110115, 1998207, 3330345, 6438667, 9991035, 19316001, 32193335, 57948003, 96580005, 289740015]

約数ペア:

[(1, 289740015), (3, 96580005), (5, 57948003), (9, 32193335), (15, 19316001), (29, 9991035), (45, 6438667), (87, 3330345), (145, 1998207), (261, 1110115), (435, 666069), (1305, 222023)]