890445

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 1555200

約数和(自身を除く): 664755

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 89, 115, 145, 267, 345, 435, 445, 667, 1335, 2001, 2047, 2581, 3335, 6141, 7743, 10005, 10235, 12905, 30705, 38715, 59363, 178089, 296815, 890445]

約数ペア:

[(1, 890445), (3, 296815), (5, 178089), (15, 59363), (23, 38715), (29, 30705), (69, 12905), (87, 10235), (89, 10005), (115, 7743), (145, 6141), (267, 3335), (345, 2581), (435, 2047), (445, 2001), (667, 1335)]