71483985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 142992000

約数和(自身を除く): 71508015

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 31, 45, 57, 87, 93, 95, 135, 145, 155, 171, 261, 279, 285, 435, 465, 513, 551, 589, 783, 837, 855, 899, 961, 1305, 1395, 1653, 1767, 2565, 2697, 2755, 2883, 2945, 3915, 4185, 4495, 4805, 4959, 5301, 8091, 8265, 8649, 8835, 13485, 14415, 14877, 15903, 17081, 18259, 24273, 24795, 25947, 26505, 27869, 40455, 43245, 51243, 54777, 74385, 79515, 83607, 85405, 91295, 121365, 129735, 139345, 153729, 164331, 250821, 256215, 273885, 418035, 461187, 492993, 529511, 752463, 768645, 821655, 1254105, 1588533, 2305935, 2464965, 2647555, 3762315, 4765599, 7942665, 14296797, 23827995, 71483985]

約数ペア:

[(1, 71483985), (3, 23827995), (5, 14296797), (9, 7942665), (15, 4765599), (19, 3762315), (27, 2647555), (29, 2464965), (31, 2305935), (45, 1588533), (57, 1254105), (87, 821655), (93, 768645), (95, 752463), (135, 529511), (145, 492993), (155, 461187), (171, 418035), (261, 273885), (279, 256215), (285, 250821), (435, 164331), (465, 153729), (513, 139345), (551, 129735), (589, 121365), (783, 91295), (837, 85405), (855, 83607), (899, 79515), (961, 74385), (1305, 54777), (1395, 51243), (1653, 43245), (1767, 40455), (2565, 27869), (2697, 26505), (2755, 25947), (2883, 24795), (2945, 24273), (3915, 18259), (4185, 17081), (4495, 15903), (4805, 14877), (4959, 14415), (5301, 13485), (8091, 8835), (8265, 8649)]