290401875

素因数分解:

$3^3\times 5^4\times {\mathrm{17209}}^1$

素因数の和:17238

約数の個数: 40

約数和(自身を含む): 537640400

約数和(自身を除く): 247238525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3375, 5625, 16875, 17209, 51627, 86045, 154881, 258135, 430225, 464643, 774405, 1290675, 2151125, 2323215, 3872025, 6453375, 10755625, 11616075, 19360125, 32266875, 58080375, 96800625, 290401875]

約数ペア:

[(1, 290401875), (3, 96800625), (5, 58080375), (9, 32266875), (15, 19360125), (25, 11616075), (27, 10755625), (45, 6453375), (75, 3872025), (125, 2323215), (135, 2151125), (225, 1290675), (375, 774405), (625, 464643), (675, 430225), (1125, 258135), (1875, 154881), (3375, 86045), (5625, 51627), (16875, 17209)]