16039905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 30260160

約数和(自身を除く): 14220255

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 157, 245, 417, 471, 695, 735, 785, 973, 1099, 2085, 2355, 2919, 3297, 4865, 5495, 6811, 7693, 14595, 16485, 20433, 21823, 23079, 34055, 38465, 65469, 102165, 109115, 115395, 152761, 327345, 458283, 763805, 1069327, 2291415, 3207981, 5346635, 16039905]

約数ペア:

[(1, 16039905), (3, 5346635), (5, 3207981), (7, 2291415), (15, 1069327), (21, 763805), (35, 458283), (49, 327345), (105, 152761), (139, 115395), (147, 109115), (157, 102165), (245, 65469), (417, 38465), (471, 34055), (695, 23079), (735, 21823), (785, 20433), (973, 16485), (1099, 14595), (2085, 7693), (2355, 6811), (2919, 5495), (3297, 4865)]