28761285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 54172800

約数和(自身を除く): 25411515

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 245, 327, 359, 545, 735, 763, 1077, 1635, 1795, 2289, 2513, 3815, 5341, 5385, 7539, 11445, 12565, 16023, 17591, 26705, 37695, 39131, 52773, 80115, 87955, 117393, 195655, 263865, 273917, 586965, 821751, 1369585, 1917419, 4108755, 5752257, 9587095, 28761285]

約数ペア:

[(1, 28761285), (3, 9587095), (5, 5752257), (7, 4108755), (15, 1917419), (21, 1369585), (35, 821751), (49, 586965), (105, 273917), (109, 263865), (147, 195655), (245, 117393), (327, 87955), (359, 80115), (545, 52773), (735, 39131), (763, 37695), (1077, 26705), (1635, 17591), (1795, 16023), (2289, 12565), (2513, 11445), (3815, 7539), (5341, 5385)]