1309425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 2499840

約数和(自身を除く): 1190415

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 79, 85, 195, 221, 237, 255, 325, 395, 425, 663, 975, 1027, 1105, 1185, 1275, 1343, 1975, 3081, 3315, 4029, 5135, 5525, 5925, 6715, 15405, 16575, 17459, 20145, 25675, 33575, 52377, 77025, 87295, 100725, 261885, 436475, 1309425]

約数ペア:

[(1, 1309425), (3, 436475), (5, 261885), (13, 100725), (15, 87295), (17, 77025), (25, 52377), (39, 33575), (51, 25675), (65, 20145), (75, 17459), (79, 16575), (85, 15405), (195, 6715), (221, 5925), (237, 5525), (255, 5135), (325, 4029), (395, 3315), (425, 3081), (663, 1975), (975, 1343), (1027, 1275), (1105, 1185)]