161973801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 261975168

約数和(自身を除く): 100001367

約数列:

[1, 3, 9, 11, 33, 97, 99, 101, 167, 291, 303, 501, 873, 909, 1067, 1111, 1503, 1837, 3201, 3333, 5511, 9603, 9797, 9999, 16199, 16533, 16867, 29391, 48597, 50601, 88173, 107767, 145791, 151803, 178189, 185537, 323301, 534567, 556611, 969903, 1603701, 1636099, 1669833, 4908297, 14724891, 17997089, 53991267, 161973801]

約数ペア:

[(1, 161973801), (3, 53991267), (9, 17997089), (11, 14724891), (33, 4908297), (97, 1669833), (99, 1636099), (101, 1603701), (167, 969903), (291, 556611), (303, 534567), (501, 323301), (873, 185537), (909, 178189), (1067, 151803), (1111, 145791), (1503, 107767), (1837, 88173), (3201, 50601), (3333, 48597), (5511, 29391), (9603, 16867), (9797, 16533), (9999, 16199)]