81545850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{181213}}^1$

素因数の和:181231

約数の個数: 36

約数和(自身を含む): 219087726

約数和(自身を除く): 137541876

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 181213, 362426, 543639, 906065, 1087278, 1630917, 1812130, 2718195, 3261834, 4530325, 5436390, 8154585, 9060650, 13590975, 16309170, 27181950, 40772925, 81545850]

約数ペア:

[(1, 81545850), (2, 40772925), (3, 27181950), (5, 16309170), (6, 13590975), (9, 9060650), (10, 8154585), (15, 5436390), (18, 4530325), (25, 3261834), (30, 2718195), (45, 1812130), (50, 1630917), (75, 1087278), (90, 906065), (150, 543639), (225, 362426), (450, 181213)]