64281609

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 109502848

約数和(自身を除く): 45221239

約数列:

[1, 3, 7, 9, 21, 63, 67, 97, 157, 201, 291, 469, 471, 603, 679, 873, 1099, 1407, 1413, 2037, 3297, 4221, 6111, 6499, 9891, 10519, 15229, 19497, 31557, 45493, 45687, 58491, 73633, 94671, 106603, 136479, 137061, 220899, 319809, 409437, 662697, 959427, 1020343, 3061029, 7142401, 9183087, 21427203, 64281609]

約数ペア:

[(1, 64281609), (3, 21427203), (7, 9183087), (9, 7142401), (21, 3061029), (63, 1020343), (67, 959427), (97, 662697), (157, 409437), (201, 319809), (291, 220899), (469, 137061), (471, 136479), (603, 106603), (679, 94671), (873, 73633), (1099, 58491), (1407, 45687), (1413, 45493), (2037, 31557), (3297, 19497), (4221, 15229), (6111, 10519), (6499, 9891)]