78319791

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 131705112

約数和(自身を除く): 53385321

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 121, 131, 183, 297, 363, 393, 549, 671, 891, 1089, 1179, 1441, 1647, 2013, 3267, 3537, 4323, 4941, 6039, 7381, 7991, 9801, 10611, 12969, 15851, 18117, 22143, 23973, 38907, 47553, 54351, 66429, 71919, 87901, 116721, 142659, 199287, 215757, 263703, 427977, 597861, 647271, 791109, 966911, 1283931, 2373327, 2900733, 7119981, 8702199, 26106597, 78319791]

約数ペア:

[(1, 78319791), (3, 26106597), (9, 8702199), (11, 7119981), (27, 2900733), (33, 2373327), (61, 1283931), (81, 966911), (99, 791109), (121, 647271), (131, 597861), (183, 427977), (297, 263703), (363, 215757), (393, 199287), (549, 142659), (671, 116721), (891, 87901), (1089, 71919), (1179, 66429), (1441, 54351), (1647, 47553), (2013, 38907), (3267, 23973), (3537, 22143), (4323, 18117), (4941, 15851), (6039, 12969), (7381, 10611), (7991, 9801)]