81665154

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1$

素因数の和:2799

約数の個数: 48

約数和(自身を含む): 188416800

約数和(自身を除く): 106751646

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 801, 1602, 1691, 2683, 3382, 5073, 5366, 8049, 10146, 15219, 16098, 24147, 30438, 48294, 50977, 101954, 152931, 238787, 305862, 458793, 477574, 716361, 917586, 1432722, 2149083, 4298166, 4536953, 9073906, 13610859, 27221718, 40832577, 81665154]

約数ペア:

[(1, 81665154), (2, 40832577), (3, 27221718), (6, 13610859), (9, 9073906), (18, 4536953), (19, 4298166), (38, 2149083), (57, 1432722), (89, 917586), (114, 716361), (171, 477574), (178, 458793), (267, 305862), (342, 238787), (534, 152931), (801, 101954), (1602, 50977), (1691, 48294), (2683, 30438), (3382, 24147), (5073, 16098), (5366, 15219), (8049, 10146)]