2129805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 1913715

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 53, 57, 95, 141, 159, 171, 235, 265, 285, 423, 477, 705, 795, 855, 893, 1007, 2115, 2385, 2491, 2679, 3021, 4465, 5035, 7473, 8037, 9063, 12455, 13395, 15105, 22419, 37365, 40185, 45315, 47329, 112095, 141987, 236645, 425961, 709935, 2129805]

約数ペア:

[(1, 2129805), (3, 709935), (5, 425961), (9, 236645), (15, 141987), (19, 112095), (45, 47329), (47, 45315), (53, 40185), (57, 37365), (95, 22419), (141, 15105), (159, 13395), (171, 12455), (235, 9063), (265, 8037), (285, 7473), (423, 5035), (477, 4465), (705, 3021), (795, 2679), (855, 2491), (893, 2385), (1007, 2115)]