650804913

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 1071551208

約数和(自身を除く): 420746295

約数列:

[1, 3, 9, 11, 33, 61, 97, 99, 101, 121, 183, 291, 303, 363, 549, 671, 873, 909, 1067, 1089, 1111, 2013, 3201, 3333, 5917, 6039, 6161, 7381, 9603, 9797, 9999, 11737, 12221, 17751, 18483, 22143, 29391, 35211, 36663, 53253, 55449, 65087, 66429, 67771, 88173, 105633, 107767, 109989, 195261, 203313, 323301, 585783, 597617, 609939, 715957, 745481, 969903, 1185437, 1792851, 2147871, 2236443, 3556311, 5378553, 6443613, 6573787, 6709329, 10668933, 19721361, 59164083, 72311657, 216934971, 650804913]

約数ペア:

[(1, 650804913), (3, 216934971), (9, 72311657), (11, 59164083), (33, 19721361), (61, 10668933), (97, 6709329), (99, 6573787), (101, 6443613), (121, 5378553), (183, 3556311), (291, 2236443), (303, 2147871), (363, 1792851), (549, 1185437), (671, 969903), (873, 745481), (909, 715957), (1067, 609939), (1089, 597617), (1111, 585783), (2013, 323301), (3201, 203313), (3333, 195261), (5917, 109989), (6039, 107767), (6161, 105633), (7381, 88173), (9603, 67771), (9797, 66429), (9999, 65087), (11737, 55449), (12221, 53253), (17751, 36663), (18483, 35211), (22143, 29391)]