78156975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4264

約数の個数: 48

約数和(自身を含む): 146518400

約数和(自身を除く): 68361425

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 3705, 4219, 6175, 12657, 18525, 21095, 54847, 63285, 80161, 105475, 164541, 240483, 274235, 316425, 400805, 822705, 1042093, 1202415, 1371175, 2004025, 3126279, 4113525, 5210465, 6012075, 15631395, 26052325, 78156975]

約数ペア:

[(1, 78156975), (3, 26052325), (5, 15631395), (13, 6012075), (15, 5210465), (19, 4113525), (25, 3126279), (39, 2004025), (57, 1371175), (65, 1202415), (75, 1042093), (95, 822705), (195, 400805), (247, 316425), (285, 274235), (325, 240483), (475, 164541), (741, 105475), (975, 80161), (1235, 63285), (1425, 54847), (3705, 21095), (4219, 18525), (6175, 12657)]