163940205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3323}}^1$

素因数の和:3378

約数の個数: 64

約数和(自身を含む): 321656832

約数和(自身を除く): 157716627

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 345, 429, 715, 759, 897, 1265, 1495, 2145, 3289, 3323, 3795, 4485, 9867, 9969, 16445, 16615, 36553, 43199, 49335, 49845, 76429, 109659, 129597, 182765, 215995, 229287, 382145, 475189, 548295, 647985, 840719, 993577, 1146435, 1425567, 2375945, 2522157, 2980731, 4203595, 4967885, 7127835, 10929347, 12610785, 14903655, 32788041, 54646735, 163940205]

約数ペア:

[(1, 163940205), (3, 54646735), (5, 32788041), (11, 14903655), (13, 12610785), (15, 10929347), (23, 7127835), (33, 4967885), (39, 4203595), (55, 2980731), (65, 2522157), (69, 2375945), (115, 1425567), (143, 1146435), (165, 993577), (195, 840719), (253, 647985), (299, 548295), (345, 475189), (429, 382145), (715, 229287), (759, 215995), (897, 182765), (1265, 129597), (1495, 109659), (2145, 76429), (3289, 49845), (3323, 49335), (3795, 43199), (4485, 36553), (9867, 16615), (9969, 16445)]