38619009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 67389504

約数和(自身を除く): 28770495

約数列:

[1, 3, 9, 11, 13, 33, 37, 39, 99, 111, 117, 143, 333, 407, 429, 481, 811, 1221, 1287, 1443, 2433, 3663, 4329, 5291, 7299, 8921, 10543, 15873, 26763, 30007, 31629, 47619, 80289, 90021, 94887, 115973, 270063, 330077, 347919, 390091, 990231, 1043757, 1170273, 2970693, 3510819, 4291001, 12873003, 38619009]

約数ペア:

[(1, 38619009), (3, 12873003), (9, 4291001), (11, 3510819), (13, 2970693), (33, 1170273), (37, 1043757), (39, 990231), (99, 390091), (111, 347919), (117, 330077), (143, 270063), (333, 115973), (407, 94887), (429, 90021), (481, 80289), (811, 47619), (1221, 31629), (1287, 30007), (1443, 26763), (2433, 15873), (3663, 10543), (4329, 8921), (5291, 7299)]