64178865

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 57472335

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 131, 135, 171, 191, 285, 393, 513, 573, 655, 855, 955, 1179, 1719, 1965, 2489, 2565, 2865, 3537, 3629, 5157, 5895, 7467, 8595, 10887, 12445, 17685, 18145, 22401, 25021, 25785, 32661, 37335, 54435, 67203, 75063, 97983, 112005, 125105, 163305, 225189, 336015, 375315, 475399, 489915, 675567, 1125945, 1426197, 2376995, 3377835, 4278591, 7130985, 12835773, 21392955, 64178865]

約数ペア:

[(1, 64178865), (3, 21392955), (5, 12835773), (9, 7130985), (15, 4278591), (19, 3377835), (27, 2376995), (45, 1426197), (57, 1125945), (95, 675567), (131, 489915), (135, 475399), (171, 375315), (191, 336015), (285, 225189), (393, 163305), (513, 125105), (573, 112005), (655, 97983), (855, 75063), (955, 67203), (1179, 54435), (1719, 37335), (1965, 32661), (2489, 25785), (2565, 25021), (2865, 22401), (3537, 18145), (3629, 17685), (5157, 12445), (5895, 10887), (7467, 8595)]