81330330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12157}}^1$

素因数の和:12390

約数の個数: 32

約数和(自身を含む): 196084224

約数和(自身を除く): 114753894

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 223, 446, 669, 1115, 1338, 2230, 3345, 6690, 12157, 24314, 36471, 60785, 72942, 121570, 182355, 364710, 2711011, 5422022, 8133033, 13555055, 16266066, 27110110, 40665165, 81330330]

約数ペア:

[(1, 81330330), (2, 40665165), (3, 27110110), (5, 16266066), (6, 13555055), (10, 8133033), (15, 5422022), (30, 2711011), (223, 364710), (446, 182355), (669, 121570), (1115, 72942), (1338, 60785), (2230, 36471), (3345, 24314), (6690, 12157)]