27820065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 27821535

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 89, 91, 105, 195, 229, 267, 273, 445, 455, 623, 687, 1145, 1157, 1335, 1365, 1603, 1869, 2977, 3115, 3435, 3471, 4809, 5785, 8015, 8099, 8931, 9345, 14885, 17355, 20381, 20839, 24045, 24297, 40495, 44655, 61143, 62517, 101905, 104195, 121485, 142667, 264953, 305715, 312585, 428001, 713335, 794859, 1324765, 1854671, 2140005, 3974295, 5564013, 9273355, 27820065]

約数ペア:

[(1, 27820065), (3, 9273355), (5, 5564013), (7, 3974295), (13, 2140005), (15, 1854671), (21, 1324765), (35, 794859), (39, 713335), (65, 428001), (89, 312585), (91, 305715), (105, 264953), (195, 142667), (229, 121485), (267, 104195), (273, 101905), (445, 62517), (455, 61143), (623, 44655), (687, 40495), (1145, 24297), (1157, 24045), (1335, 20839), (1365, 20381), (1603, 17355), (1869, 14885), (2977, 9345), (3115, 8931), (3435, 8099), (3471, 8015), (4809, 5785)]