217731690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{219931}}^1$

素因数の和:219955

約数の個数: 48

約数和(自身を含む): 617569056

約数和(自身を除く): 399837366

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 219931, 439862, 659793, 1099655, 1319586, 1979379, 2199310, 2419241, 3298965, 3958758, 4838482, 6597930, 7257723, 9896895, 12096205, 14515446, 19793790, 21773169, 24192410, 36288615, 43546338, 72577230, 108865845, 217731690]

約数ペア:

[(1, 217731690), (2, 108865845), (3, 72577230), (5, 43546338), (6, 36288615), (9, 24192410), (10, 21773169), (11, 19793790), (15, 14515446), (18, 12096205), (22, 9896895), (30, 7257723), (33, 6597930), (45, 4838482), (55, 3958758), (66, 3298965), (90, 2419241), (99, 2199310), (110, 1979379), (165, 1319586), (198, 1099655), (330, 659793), (495, 439862), (990, 219931)]