187994709

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 338227200

約数和(自身を除く): 150232491

約数列:

[1, 3, 7, 9, 21, 23, 27, 59, 63, 69, 161, 177, 189, 207, 413, 483, 531, 621, 733, 1239, 1357, 1449, 1593, 2199, 3717, 4071, 4347, 5131, 6597, 9499, 11151, 12213, 15393, 16859, 19791, 28497, 36639, 43247, 46179, 50577, 85491, 118013, 129741, 138537, 151731, 256473, 302729, 354039, 389223, 455193, 908187, 994681, 1062117, 1167669, 2724561, 2984043, 3186351, 6962767, 8173683, 8952129, 20888301, 26856387, 62664903, 187994709]

約数ペア:

[(1, 187994709), (3, 62664903), (7, 26856387), (9, 20888301), (21, 8952129), (23, 8173683), (27, 6962767), (59, 3186351), (63, 2984043), (69, 2724561), (161, 1167669), (177, 1062117), (189, 994681), (207, 908187), (413, 455193), (483, 389223), (531, 354039), (621, 302729), (733, 256473), (1239, 151731), (1357, 138537), (1449, 129741), (1593, 118013), (2199, 85491), (3717, 50577), (4071, 46179), (4347, 43247), (5131, 36639), (6597, 28497), (9499, 19791), (11151, 16859), (12213, 15393)]