2578185

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 4852224

約数和(自身を除く): 2274039

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 53, 69, 115, 141, 159, 207, 235, 265, 345, 423, 477, 705, 795, 1035, 1081, 1219, 2115, 2385, 2491, 3243, 3657, 5405, 6095, 7473, 9729, 10971, 12455, 16215, 18285, 22419, 37365, 48645, 54855, 57293, 112095, 171879, 286465, 515637, 859395, 2578185]

約数ペア:

[(1, 2578185), (3, 859395), (5, 515637), (9, 286465), (15, 171879), (23, 112095), (45, 57293), (47, 54855), (53, 48645), (69, 37365), (115, 22419), (141, 18285), (159, 16215), (207, 12455), (235, 10971), (265, 9729), (345, 7473), (423, 6095), (477, 5405), (705, 3657), (795, 3243), (1035, 2491), (1081, 2385), (1219, 2115)]