17177979

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 29302560

約数和(自身を除く): 12124581

約数列:

[1, 3, 7, 13, 21, 39, 49, 89, 91, 101, 147, 267, 273, 303, 623, 637, 707, 1157, 1313, 1869, 1911, 2121, 3471, 3939, 4361, 4949, 8099, 8989, 9191, 13083, 14847, 24297, 26967, 27573, 56693, 62923, 64337, 116857, 170079, 188769, 193011, 350571, 440461, 817999, 1321383, 2453997, 5725993, 17177979]

約数ペア:

[(1, 17177979), (3, 5725993), (7, 2453997), (13, 1321383), (21, 817999), (39, 440461), (49, 350571), (89, 193011), (91, 188769), (101, 170079), (147, 116857), (267, 64337), (273, 62923), (303, 56693), (623, 27573), (637, 26967), (707, 24297), (1157, 14847), (1313, 13083), (1869, 9191), (1911, 8989), (2121, 8099), (3471, 4949), (3939, 4361)]