13428225

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1666

約数の個数: 36

約数和(自身を含む): 24716796

約数和(自身を除く): 11288571

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1613, 1665, 2775, 4839, 8065, 8325, 14517, 24195, 40325, 59681, 72585, 120975, 179043, 298405, 362925, 537129, 895215, 1492025, 2685645, 4476075, 13428225]

約数ペア:

[(1, 13428225), (3, 4476075), (5, 2685645), (9, 1492025), (15, 895215), (25, 537129), (37, 362925), (45, 298405), (75, 179043), (111, 120975), (185, 72585), (225, 59681), (333, 40325), (555, 24195), (925, 14517), (1613, 8325), (1665, 8065), (2775, 4839)]