72391425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 129485760

約数和(自身を除く): 57094335

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 555, 703, 925, 1373, 1425, 2109, 2775, 3515, 4119, 6865, 10545, 17575, 20595, 26087, 34325, 50801, 52725, 78261, 102975, 130435, 152403, 254005, 391305, 652175, 762015, 965219, 1270025, 1956525, 2895657, 3810075, 4826095, 14478285, 24130475, 72391425]

約数ペア:

[(1, 72391425), (3, 24130475), (5, 14478285), (15, 4826095), (19, 3810075), (25, 2895657), (37, 1956525), (57, 1270025), (75, 965219), (95, 762015), (111, 652175), (185, 391305), (285, 254005), (475, 152403), (555, 130435), (703, 102975), (925, 78261), (1373, 52725), (1425, 50801), (2109, 34325), (2775, 26087), (3515, 20595), (4119, 17575), (6865, 10545)]