16118109

素因数分解:

$3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 29132928

約数和(自身を除く): 13014819

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 131, 147, 189, 217, 279, 393, 441, 567, 651, 837, 917, 1179, 1323, 1519, 1953, 2511, 2751, 3537, 3969, 4061, 4557, 5859, 6419, 8253, 10611, 12183, 13671, 17577, 19257, 24759, 28427, 36549, 41013, 57771, 74277, 85281, 109647, 123039, 173313, 198989, 255843, 328941, 519939, 596967, 767529, 1790901, 2302587, 5372703, 16118109]

約数ペア:

[(1, 16118109), (3, 5372703), (7, 2302587), (9, 1790901), (21, 767529), (27, 596967), (31, 519939), (49, 328941), (63, 255843), (81, 198989), (93, 173313), (131, 123039), (147, 109647), (189, 85281), (217, 74277), (279, 57771), (393, 41013), (441, 36549), (567, 28427), (651, 24759), (837, 19257), (917, 17577), (1179, 13671), (1323, 12183), (1519, 10611), (1953, 8253), (2511, 6419), (2751, 5859), (3537, 4557), (3969, 4061)]