51780075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{22271}}^1$

素因数の和:22315

約数の個数: 24

約数和(自身を含む): 88375296

約数和(自身を除く): 36595221

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 22271, 66813, 111355, 334065, 556775, 690401, 1670325, 2071203, 3452005, 10356015, 17260025, 51780075]

約数ペア:

[(1, 51780075), (3, 17260025), (5, 10356015), (15, 3452005), (25, 2071203), (31, 1670325), (75, 690401), (93, 556775), (155, 334065), (465, 111355), (775, 66813), (2325, 22271)]