30981825

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 66662400

約数和(自身を除く): 35680575

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 79, 83, 105, 135, 175, 189, 225, 237, 249, 315, 395, 415, 525, 553, 581, 675, 711, 747, 945, 1185, 1245, 1575, 1659, 1743, 1975, 2075, 2133, 2241, 2765, 2905, 3555, 3735, 4725, 4977, 5229, 5925, 6225, 6557, 8295, 8715, 10665, 11205, 13825, 14525, 14931, 15687, 17775, 18675, 19671, 24885, 26145, 32785, 41475, 43575, 45899, 53325, 56025, 59013, 74655, 78435, 98355, 124425, 130725, 137697, 163925, 177039, 229495, 295065, 373275, 392175, 413091, 491775, 688485, 885195, 1147475, 1239273, 1475325, 2065455, 3442425, 4425975, 6196365, 10327275, 30981825]

約数ペア:

[(1, 30981825), (3, 10327275), (5, 6196365), (7, 4425975), (9, 3442425), (15, 2065455), (21, 1475325), (25, 1239273), (27, 1147475), (35, 885195), (45, 688485), (63, 491775), (75, 413091), (79, 392175), (83, 373275), (105, 295065), (135, 229495), (175, 177039), (189, 163925), (225, 137697), (237, 130725), (249, 124425), (315, 98355), (395, 78435), (415, 74655), (525, 59013), (553, 56025), (581, 53325), (675, 45899), (711, 43575), (747, 41475), (945, 32785), (1185, 26145), (1245, 24885), (1575, 19671), (1659, 18675), (1743, 17775), (1975, 15687), (2075, 14931), (2133, 14525), (2241, 13825), (2765, 11205), (2905, 10665), (3555, 8715), (3735, 8295), (4725, 6557), (4977, 6225), (5229, 5925)]