28068405

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 46061568

約数和(自身を除く): 17993163

約数列:

[1, 3, 5, 15, 97, 101, 191, 291, 303, 485, 505, 573, 955, 1455, 1515, 2865, 9797, 18527, 19291, 29391, 48985, 55581, 57873, 92635, 96455, 146955, 277905, 289365, 1871227, 5613681, 9356135, 28068405]

約数ペア:

[(1, 28068405), (3, 9356135), (5, 5613681), (15, 1871227), (97, 289365), (101, 277905), (191, 146955), (291, 96455), (303, 92635), (485, 57873), (505, 55581), (573, 48985), (955, 29391), (1455, 19291), (1515, 18527), (2865, 9797)]