28546455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 27901545

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 349, 399, 615, 665, 779, 861, 1047, 1435, 1745, 1995, 2337, 2443, 3895, 4305, 5235, 5453, 6631, 7329, 11685, 12215, 14309, 16359, 19893, 27265, 33155, 36645, 42927, 46417, 71545, 81795, 99465, 100163, 139251, 214635, 232085, 271871, 300489, 500815, 696255, 815613, 1359355, 1502445, 1903097, 4078065, 5709291, 9515485, 28546455]

約数ペア:

[(1, 28546455), (3, 9515485), (5, 5709291), (7, 4078065), (15, 1903097), (19, 1502445), (21, 1359355), (35, 815613), (41, 696255), (57, 500815), (95, 300489), (105, 271871), (123, 232085), (133, 214635), (205, 139251), (285, 100163), (287, 99465), (349, 81795), (399, 71545), (615, 46417), (665, 42927), (779, 36645), (861, 33155), (1047, 27265), (1435, 19893), (1745, 16359), (1995, 14309), (2337, 12215), (2443, 11685), (3895, 7329), (4305, 6631), (5235, 5453)]