210845505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 374588928

約数和(自身を除く): 163743423

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 97, 157, 195, 213, 291, 355, 471, 485, 785, 923, 1065, 1261, 1455, 2041, 2355, 2769, 3783, 4615, 6123, 6305, 6887, 10205, 11147, 13845, 15229, 18915, 20661, 30615, 33441, 34435, 45687, 55735, 76145, 89531, 103305, 144911, 167205, 197977, 228435, 268593, 434733, 447655, 593931, 724555, 989885, 1081259, 1342965, 2173665, 2969655, 3243777, 5406295, 14056367, 16218885, 42169101, 70281835, 210845505]

約数ペア:

[(1, 210845505), (3, 70281835), (5, 42169101), (13, 16218885), (15, 14056367), (39, 5406295), (65, 3243777), (71, 2969655), (97, 2173665), (157, 1342965), (195, 1081259), (213, 989885), (291, 724555), (355, 593931), (471, 447655), (485, 434733), (785, 268593), (923, 228435), (1065, 197977), (1261, 167205), (1455, 144911), (2041, 103305), (2355, 89531), (2769, 76145), (3783, 55735), (4615, 45687), (6123, 34435), (6305, 33441), (6887, 30615), (10205, 20661), (11147, 18915), (13845, 15229)]