28975590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{15331}}^1$

素因数の和:15354

約数の個数: 64

約数和(自身を含む): 88312320

約数和(自身を除く): 59336730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 15331, 30662, 45993, 76655, 91986, 107317, 137979, 153310, 214634, 229965, 275958, 321951, 413937, 459930, 536585, 643902, 689895, 827874, 965853, 1073170, 1379790, 1609755, 1931706, 2069685, 2897559, 3219510, 4139370, 4829265, 5795118, 9658530, 14487795, 28975590]

約数ペア:

[(1, 28975590), (2, 14487795), (3, 9658530), (5, 5795118), (6, 4829265), (7, 4139370), (9, 3219510), (10, 2897559), (14, 2069685), (15, 1931706), (18, 1609755), (21, 1379790), (27, 1073170), (30, 965853), (35, 827874), (42, 689895), (45, 643902), (54, 536585), (63, 459930), (70, 413937), (90, 321951), (105, 275958), (126, 229965), (135, 214634), (189, 153310), (210, 137979), (270, 107317), (315, 91986), (378, 76655), (630, 45993), (945, 30662), (1890, 15331)]