55139721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^2$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 96695424

約数和(自身を除く): 41555703

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 109, 119, 221, 273, 327, 357, 663, 763, 1417, 1547, 1853, 2289, 4251, 4641, 5559, 9919, 11881, 12971, 24089, 29757, 35643, 38913, 72267, 83167, 154453, 168623, 201977, 249501, 463359, 505869, 605931, 1081171, 1413839, 2625701, 3243513, 4241517, 7877103, 18379907, 55139721]

約数ペア:

[(1, 55139721), (3, 18379907), (7, 7877103), (13, 4241517), (17, 3243513), (21, 2625701), (39, 1413839), (51, 1081171), (91, 605931), (109, 505869), (119, 463359), (221, 249501), (273, 201977), (327, 168623), (357, 154453), (663, 83167), (763, 72267), (1417, 38913), (1547, 35643), (1853, 29757), (2289, 24089), (4251, 12971), (4641, 11881), (5559, 9919)]