398889345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{39869}}^1$

素因数の和:39929

約数の個数: 32

約数和(自身を含む): 688953600

約数和(自身を除く): 290064255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 39869, 119607, 199345, 598035, 916987, 1156201, 2750961, 3468603, 4584935, 5781005, 13754805, 17343015, 26592623, 79777869, 132963115, 398889345]

約数ペア:

[(1, 398889345), (3, 132963115), (5, 79777869), (15, 26592623), (23, 17343015), (29, 13754805), (69, 5781005), (87, 4584935), (115, 3468603), (145, 2750961), (345, 1156201), (435, 916987), (667, 598035), (2001, 199345), (3335, 119607), (10005, 39869)]