285416859

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 502225920

約数和(自身を除く): 216809061

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 89, 91, 119, 221, 267, 273, 357, 623, 663, 691, 1157, 1513, 1547, 1869, 2073, 3471, 4539, 4641, 4837, 8099, 8983, 10591, 11747, 14511, 19669, 24297, 26949, 31773, 35241, 59007, 61499, 62881, 82229, 137683, 152711, 184497, 188643, 246687, 413049, 430493, 458133, 799487, 1045483, 1068977, 1291479, 2398461, 3136449, 3206931, 5596409, 7318381, 13591279, 16789227, 21955143, 40773837, 95138953, 285416859]

約数ペア:

[(1, 285416859), (3, 95138953), (7, 40773837), (13, 21955143), (17, 16789227), (21, 13591279), (39, 7318381), (51, 5596409), (89, 3206931), (91, 3136449), (119, 2398461), (221, 1291479), (267, 1068977), (273, 1045483), (357, 799487), (623, 458133), (663, 430493), (691, 413049), (1157, 246687), (1513, 188643), (1547, 184497), (1869, 152711), (2073, 137683), (3471, 82229), (4539, 62881), (4641, 61499), (4837, 59007), (8099, 35241), (8983, 31773), (10591, 26949), (11747, 24297), (14511, 19669)]