284355

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 505440

約数和(自身を除く): 221085

約数列:

[1, 3, 5, 9, 15, 45, 71, 89, 213, 267, 355, 445, 639, 801, 1065, 1335, 3195, 4005, 6319, 18957, 31595, 56871, 94785, 284355]

約数ペア:

[(1, 284355), (3, 94785), (5, 56871), (9, 31595), (15, 18957), (45, 6319), (71, 4005), (89, 3195), (213, 1335), (267, 1065), (355, 801), (445, 639)]