281378625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{68213}}^1$

素因数の和:68242

約数の個数: 32

約数和(自身を含む): 510786432

約数和(自身を除く): 229407807

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 68213, 204639, 341065, 750343, 1023195, 1705325, 2251029, 3751715, 5115975, 8526625, 11255145, 18758575, 25579875, 56275725, 93792875, 281378625]

約数ペア:

[(1, 281378625), (3, 93792875), (5, 56275725), (11, 25579875), (15, 18758575), (25, 11255145), (33, 8526625), (55, 5115975), (75, 3751715), (125, 2251029), (165, 1705325), (275, 1023195), (375, 750343), (825, 341065), (1375, 204639), (4125, 68213)]