289746075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{541}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 495457376

約数和(自身を除く): 205711301

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 193, 541, 555, 579, 925, 965, 1623, 2705, 2775, 2895, 4825, 7141, 8115, 13525, 14475, 20017, 21423, 35705, 40575, 60051, 100085, 104413, 107115, 178525, 300255, 313239, 500425, 522065, 535575, 1501275, 1566195, 2610325, 3863281, 7830975, 11589843, 19316405, 57949215, 96582025, 289746075]

約数ペア:

[(1, 289746075), (3, 96582025), (5, 57949215), (15, 19316405), (25, 11589843), (37, 7830975), (75, 3863281), (111, 2610325), (185, 1566195), (193, 1501275), (541, 535575), (555, 522065), (579, 500425), (925, 313239), (965, 300255), (1623, 178525), (2705, 107115), (2775, 104413), (2895, 100085), (4825, 60051), (7141, 40575), (8115, 35705), (13525, 21423), (14475, 20017)]