64947285

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 129830400

約数和(自身を除く): 64883115

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1609, 1755, 2691, 3105, 4485, 4827, 8045, 8073, 13455, 14481, 20917, 24135, 37007, 40365, 43443, 62751, 72405, 104585, 111021, 185035, 188253, 217215, 313755, 333063, 481091, 555105, 564759, 941265, 999189, 1443273, 1665315, 2405455, 2823795, 4329819, 4995945, 7216365, 12989457, 21649095, 64947285]

約数ペア:

[(1, 64947285), (3, 21649095), (5, 12989457), (9, 7216365), (13, 4995945), (15, 4329819), (23, 2823795), (27, 2405455), (39, 1665315), (45, 1443273), (65, 999189), (69, 941265), (115, 564759), (117, 555105), (135, 481091), (195, 333063), (207, 313755), (299, 217215), (345, 188253), (351, 185035), (585, 111021), (621, 104585), (897, 72405), (1035, 62751), (1495, 43443), (1609, 40365), (1755, 37007), (2691, 24135), (3105, 20917), (4485, 14481), (4827, 13455), (8045, 8073)]