646680456513

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2892299}}^1$

素因数の和:2892348

約数の個数: 72

約数和(自身を含む): 1206783252000

約数和(自身を除く): 560102795487

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 351, 441, 507, 637, 819, 1183, 1323, 1521, 1911, 2457, 3549, 4563, 5733, 8281, 10647, 17199, 24843, 31941, 74529, 223587, 2892299, 8676897, 20246093, 26030691, 37599887, 60738279, 78092073, 112799661, 141722651, 182214837, 263199209, 338398983, 425167953, 488798531, 546644511, 789597627, 1015196949, 1275503859, 1466395593, 1842394463, 2368792881, 3421589717, 3826511577, 4399186779, 5527183389, 7106378643, 10264769151, 13197560337, 16581550167, 23951128019, 30794307453, 49744650501, 71853384057, 92382922359, 215560152171, 646680456513]

約数ペア:

[(1, 646680456513), (3, 215560152171), (7, 92382922359), (9, 71853384057), (13, 49744650501), (21, 30794307453), (27, 23951128019), (39, 16581550167), (49, 13197560337), (63, 10264769151), (91, 7106378643), (117, 5527183389), (147, 4399186779), (169, 3826511577), (189, 3421589717), (273, 2368792881), (351, 1842394463), (441, 1466395593), (507, 1275503859), (637, 1015196949), (819, 789597627), (1183, 546644511), (1323, 488798531), (1521, 425167953), (1911, 338398983), (2457, 263199209), (3549, 182214837), (4563, 141722651), (5733, 112799661), (8281, 78092073), (10647, 60738279), (17199, 37599887), (24843, 26030691), (31941, 20246093), (74529, 8676897), (223587, 2892299)]