311930175

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 531528480

約数和(自身を除く): 219598305

約数列:

[1, 3, 5, 15, 25, 53, 75, 97, 159, 265, 291, 485, 795, 809, 1325, 1455, 2425, 2427, 3975, 4045, 5141, 7275, 12135, 15423, 20225, 25705, 42877, 60675, 77115, 78473, 128525, 128631, 214385, 235419, 385575, 392365, 643155, 1071925, 1177095, 1961825, 3215775, 4159069, 5885475, 12477207, 20795345, 62386035, 103976725, 311930175]

約数ペア:

[(1, 311930175), (3, 103976725), (5, 62386035), (15, 20795345), (25, 12477207), (53, 5885475), (75, 4159069), (97, 3215775), (159, 1961825), (265, 1177095), (291, 1071925), (485, 643155), (795, 392365), (809, 385575), (1325, 235419), (1455, 214385), (2425, 128631), (2427, 128525), (3975, 78473), (4045, 77115), (5141, 60675), (7275, 42877), (12135, 25705), (15423, 20225)]