16856385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 33965568

約数和(自身を除く): 17109183

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 233, 265, 273, 371, 455, 689, 699, 795, 1113, 1165, 1365, 1631, 1855, 2067, 3029, 3445, 3495, 4823, 4893, 5565, 8155, 9087, 10335, 12349, 14469, 15145, 21203, 24115, 24465, 37047, 45435, 61745, 63609, 72345, 86443, 106015, 160537, 185235, 259329, 318045, 432215, 481611, 802685, 1123759, 1296645, 2408055, 3371277, 5618795, 16856385]

約数ペア:

[(1, 16856385), (3, 5618795), (5, 3371277), (7, 2408055), (13, 1296645), (15, 1123759), (21, 802685), (35, 481611), (39, 432215), (53, 318045), (65, 259329), (91, 185235), (105, 160537), (159, 106015), (195, 86443), (233, 72345), (265, 63609), (273, 61745), (371, 45435), (455, 37047), (689, 24465), (699, 24115), (795, 21203), (1113, 15145), (1165, 14469), (1365, 12349), (1631, 10335), (1855, 9087), (2067, 8155), (3029, 5565), (3445, 4893), (3495, 4823)]