2517975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 54

約数和(自身を含む): 4913376

約数和(自身を除く): 2395401

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 361, 465, 475, 589, 775, 855, 1083, 1395, 1425, 1767, 1805, 2325, 2945, 3249, 4275, 5301, 5415, 6975, 8835, 9025, 11191, 14725, 16245, 26505, 27075, 33573, 44175, 55955, 81225, 100719, 132525, 167865, 279775, 503595, 839325, 2517975]

約数ペア:

[(1, 2517975), (3, 839325), (5, 503595), (9, 279775), (15, 167865), (19, 132525), (25, 100719), (31, 81225), (45, 55955), (57, 44175), (75, 33573), (93, 27075), (95, 26505), (155, 16245), (171, 14725), (225, 11191), (279, 9025), (285, 8835), (361, 6975), (465, 5415), (475, 5301), (589, 4275), (775, 3249), (855, 2945), (1083, 2325), (1395, 1805), (1425, 1767)]