80628375

素因数分解:

$3^1\times 5^3\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 134933760

約数和(自身を除く): 54305385

約数列:

[1, 3, 5, 15, 25, 75, 125, 211, 375, 633, 1019, 1055, 3057, 3165, 5095, 5275, 15285, 15825, 25475, 26375, 76425, 79125, 127375, 215009, 382125, 645027, 1075045, 3225135, 5375225, 16125675, 26876125, 80628375]

約数ペア:

[(1, 80628375), (3, 26876125), (5, 16125675), (15, 5375225), (25, 3225135), (75, 1075045), (125, 645027), (211, 382125), (375, 215009), (633, 127375), (1019, 79125), (1055, 76425), (3057, 26375), (3165, 25475), (5095, 15825), (5275, 15285)]