31281911427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 46960607232

約数和(自身を除く): 15678695805

約数列:

[1, 3, 13, 31, 39, 93, 131, 263, 393, 403, 751, 789, 1209, 1703, 2253, 3419, 4061, 5109, 8153, 9763, 10257, 12183, 23281, 24459, 29289, 34453, 52793, 69843, 98381, 103359, 105989, 158379, 197513, 295143, 302653, 317967, 447889, 592539, 907959, 1068043, 1278953, 1343667, 2567669, 3049811, 3204129, 3836859, 6122903, 7703007, 9149433, 13884559, 18368709, 25874203, 39647543, 41653677, 77622609, 79597739, 118942629, 238793217, 336364639, 802100293, 1009093917, 2406300879, 10427303809, 31281911427]

約数ペア:

[(1, 31281911427), (3, 10427303809), (13, 2406300879), (31, 1009093917), (39, 802100293), (93, 336364639), (131, 238793217), (263, 118942629), (393, 79597739), (403, 77622609), (751, 41653677), (789, 39647543), (1209, 25874203), (1703, 18368709), (2253, 13884559), (3419, 9149433), (4061, 7703007), (5109, 6122903), (8153, 3836859), (9763, 3204129), (10257, 3049811), (12183, 2567669), (23281, 1343667), (24459, 1278953), (29289, 1068043), (34453, 907959), (52793, 592539), (69843, 447889), (98381, 317967), (103359, 302653), (105989, 295143), (158379, 197513)]