65640915

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 124377600

約数和(自身を除く): 58736685

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 157, 163, 171, 285, 471, 489, 513, 785, 815, 855, 1413, 1467, 2355, 2445, 2565, 2983, 3097, 4239, 4401, 7065, 7335, 8949, 9291, 14915, 15485, 21195, 22005, 25591, 26847, 27873, 44745, 46455, 76773, 80541, 83619, 127955, 134235, 139365, 230319, 383865, 402705, 418095, 486229, 690957, 1151595, 1458687, 2431145, 3454785, 4376061, 7293435, 13128183, 21880305, 65640915]

約数ペア:

[(1, 65640915), (3, 21880305), (5, 13128183), (9, 7293435), (15, 4376061), (19, 3454785), (27, 2431145), (45, 1458687), (57, 1151595), (95, 690957), (135, 486229), (157, 418095), (163, 402705), (171, 383865), (285, 230319), (471, 139365), (489, 134235), (513, 127955), (785, 83619), (815, 80541), (855, 76773), (1413, 46455), (1467, 44745), (2355, 27873), (2445, 26847), (2565, 25591), (2983, 22005), (3097, 21195), (4239, 15485), (4401, 14915), (7065, 9291), (7335, 8949)]