53019981

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 94003200

約数和(自身を除く): 40983219

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 67, 79, 159, 189, 201, 237, 371, 469, 477, 553, 603, 711, 1113, 1407, 1431, 1659, 1809, 2133, 3339, 3551, 4187, 4221, 4977, 5293, 10017, 10653, 12561, 12663, 14931, 15879, 24857, 29309, 31959, 37051, 37683, 47637, 74571, 87927, 95877, 111153, 113049, 142911, 223713, 263781, 280529, 333459, 671139, 791343, 841587, 1000377, 1963703, 2524761, 5891109, 7574283, 17673327, 53019981]

約数ペア:

[(1, 53019981), (3, 17673327), (7, 7574283), (9, 5891109), (21, 2524761), (27, 1963703), (53, 1000377), (63, 841587), (67, 791343), (79, 671139), (159, 333459), (189, 280529), (201, 263781), (237, 223713), (371, 142911), (469, 113049), (477, 111153), (553, 95877), (603, 87927), (711, 74571), (1113, 47637), (1407, 37683), (1431, 37051), (1659, 31959), (1809, 29309), (2133, 24857), (3339, 15879), (3551, 14931), (4187, 12663), (4221, 12561), (4977, 10653), (5293, 10017)]