141243921

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 259930944

約数和(自身を除く): 118687023

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 71, 91, 117, 147, 213, 273, 347, 441, 497, 637, 639, 819, 923, 1041, 1491, 1911, 2429, 2769, 3123, 3479, 4473, 4511, 5733, 6461, 7287, 8307, 10437, 13533, 17003, 19383, 21861, 24637, 31311, 31577, 40599, 45227, 51009, 58149, 73911, 94731, 135681, 153027, 172459, 221039, 221733, 284193, 320281, 407043, 517377, 663117, 960843, 1207213, 1552131, 1989351, 2241967, 2882529, 3621639, 6725901, 10864917, 15693769, 20177703, 47081307, 141243921]

約数ペア:

[(1, 141243921), (3, 47081307), (7, 20177703), (9, 15693769), (13, 10864917), (21, 6725901), (39, 3621639), (49, 2882529), (63, 2241967), (71, 1989351), (91, 1552131), (117, 1207213), (147, 960843), (213, 663117), (273, 517377), (347, 407043), (441, 320281), (497, 284193), (637, 221733), (639, 221039), (819, 172459), (923, 153027), (1041, 135681), (1491, 94731), (1911, 73911), (2429, 58149), (2769, 51009), (3123, 45227), (3479, 40599), (4473, 31577), (4511, 31311), (5733, 24637), (6461, 21861), (7287, 19383), (8307, 17003), (10437, 13533)]