81387774

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 196116480

約数和(自身を除く): 114728706

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 191, 234, 351, 382, 573, 607, 702, 1146, 1214, 1719, 1821, 2483, 3438, 3642, 4966, 5157, 5463, 7449, 7891, 10314, 10926, 14898, 15782, 16389, 22347, 23673, 32778, 44694, 47346, 67041, 71019, 115937, 134082, 142038, 213057, 231874, 347811, 426114, 695622, 1043433, 1507181, 2086866, 3014362, 3130299, 4521543, 6260598, 9043086, 13564629, 27129258, 40693887, 81387774]

約数ペア:

[(1, 81387774), (2, 40693887), (3, 27129258), (6, 13564629), (9, 9043086), (13, 6260598), (18, 4521543), (26, 3130299), (27, 3014362), (39, 2086866), (54, 1507181), (78, 1043433), (117, 695622), (191, 426114), (234, 347811), (351, 231874), (382, 213057), (573, 142038), (607, 134082), (702, 115937), (1146, 71019), (1214, 67041), (1719, 47346), (1821, 44694), (2483, 32778), (3438, 23673), (3642, 22347), (4966, 16389), (5157, 15782), (5463, 14898), (7449, 10926), (7891, 10314)]