73678545

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 139276800

約数和(自身を除く): 65598255

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 69, 115, 135, 183, 207, 305, 345, 389, 549, 621, 915, 1035, 1167, 1403, 1647, 1945, 2745, 3105, 3501, 4209, 5835, 7015, 8235, 8947, 10503, 12627, 17505, 21045, 23729, 26841, 37881, 44735, 52515, 63135, 71187, 80523, 118645, 134205, 189405, 213561, 241569, 355935, 402615, 545767, 640683, 1067805, 1207845, 1637301, 2728835, 3203415, 4911903, 8186505, 14735709, 24559515, 73678545]

約数ペア:

[(1, 73678545), (3, 24559515), (5, 14735709), (9, 8186505), (15, 4911903), (23, 3203415), (27, 2728835), (45, 1637301), (61, 1207845), (69, 1067805), (115, 640683), (135, 545767), (183, 402615), (207, 355935), (305, 241569), (345, 213561), (389, 189405), (549, 134205), (621, 118645), (915, 80523), (1035, 71187), (1167, 63135), (1403, 52515), (1647, 44735), (1945, 37881), (2745, 26841), (3105, 23729), (3501, 21045), (4209, 17505), (5835, 12627), (7015, 10503), (8235, 8947)]