4205925

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 8162176

約数和(自身を除く): 3956251

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 67, 75, 81, 93, 135, 155, 201, 225, 279, 335, 405, 465, 603, 675, 775, 837, 1005, 1395, 1675, 1809, 2025, 2077, 2325, 2511, 3015, 4185, 5025, 5427, 6231, 6975, 9045, 10385, 12555, 15075, 18693, 20925, 27135, 31155, 45225, 51925, 56079, 62775, 93465, 135675, 155775, 168237, 280395, 467325, 841185, 1401975, 4205925]

約数ペア:

[(1, 4205925), (3, 1401975), (5, 841185), (9, 467325), (15, 280395), (25, 168237), (27, 155775), (31, 135675), (45, 93465), (67, 62775), (75, 56079), (81, 51925), (93, 45225), (135, 31155), (155, 27135), (201, 20925), (225, 18693), (279, 15075), (335, 12555), (405, 10385), (465, 9045), (603, 6975), (675, 6231), (775, 5427), (837, 5025), (1005, 4185), (1395, 3015), (1675, 2511), (1809, 2325), (2025, 2077)]