18750285

素因数分解:

$3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 34162656

約数和(自身を除く): 15412371

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 335, 405, 603, 691, 1005, 1809, 2073, 3015, 3455, 5427, 6219, 9045, 10365, 18657, 27135, 31095, 46297, 55971, 93285, 138891, 231485, 279855, 416673, 694455, 1250019, 2083365, 3750057, 6250095, 18750285]

約数ペア:

[(1, 18750285), (3, 6250095), (5, 3750057), (9, 2083365), (15, 1250019), (27, 694455), (45, 416673), (67, 279855), (81, 231485), (135, 138891), (201, 93285), (335, 55971), (405, 46297), (603, 31095), (691, 27135), (1005, 18657), (1809, 10365), (2073, 9045), (3015, 6219), (3455, 5427)]