287172567

素因数分解:

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

素因数の和:234

約数の個数: 64

約数和(自身を含む): 479255040

約数和(自身を除く): 192082473

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 121, 131, 183, 297, 363, 393, 549, 671, 1089, 1179, 1331, 1441, 1647, 2013, 3267, 3537, 3993, 4323, 6039, 7381, 7991, 11979, 12969, 15851, 18117, 22143, 23973, 35937, 38907, 47553, 66429, 71919, 81191, 87901, 142659, 174361, 199287, 215757, 243573, 263703, 427977, 523083, 730719, 791109, 966911, 1569249, 2192157, 2373327, 2900733, 4707747, 8702199, 10636021, 26106597, 31908063, 95724189, 287172567]

約数ペア:

[(1, 287172567), (3, 95724189), (9, 31908063), (11, 26106597), (27, 10636021), (33, 8702199), (61, 4707747), (99, 2900733), (121, 2373327), (131, 2192157), (183, 1569249), (297, 966911), (363, 791109), (393, 730719), (549, 523083), (671, 427977), (1089, 263703), (1179, 243573), (1331, 215757), (1441, 199287), (1647, 174361), (2013, 142659), (3267, 87901), (3537, 81191), (3993, 71919), (4323, 66429), (6039, 47553), (7381, 38907), (7991, 35937), (11979, 23973), (12969, 22143), (15851, 18117)]