30213975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 55603584

約数和(自身を除く): 25389609

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 159, 165, 265, 275, 583, 691, 795, 825, 1325, 1749, 2073, 2915, 3455, 3975, 7601, 8745, 10365, 14575, 17275, 22803, 36623, 38005, 43725, 51825, 109869, 114015, 183115, 190025, 402853, 549345, 570075, 915575, 1208559, 2014265, 2746725, 6042795, 10071325, 30213975]

約数ペア:

[(1, 30213975), (3, 10071325), (5, 6042795), (11, 2746725), (15, 2014265), (25, 1208559), (33, 915575), (53, 570075), (55, 549345), (75, 402853), (159, 190025), (165, 183115), (265, 114015), (275, 109869), (583, 51825), (691, 43725), (795, 38005), (825, 36623), (1325, 22803), (1749, 17275), (2073, 14575), (2915, 10365), (3455, 8745), (3975, 7601)]