687501633

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 1139905536

約数和(自身を除く): 452403903

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 307, 507, 631, 921, 1183, 1893, 2149, 3549, 3991, 4417, 6447, 8203, 11973, 13251, 24609, 27937, 51883, 57421, 83811, 106639, 155649, 172263, 193717, 319917, 363181, 581151, 746473, 1089543, 1356019, 2239419, 2518321, 4068057, 7554963, 17628247, 32738173, 52884741, 98214519, 229167211, 687501633]

約数ペア:

[(1, 687501633), (3, 229167211), (7, 98214519), (13, 52884741), (21, 32738173), (39, 17628247), (91, 7554963), (169, 4068057), (273, 2518321), (307, 2239419), (507, 1356019), (631, 1089543), (921, 746473), (1183, 581151), (1893, 363181), (2149, 319917), (3549, 193717), (3991, 172263), (4417, 155649), (6447, 106639), (8203, 83811), (11973, 57421), (13251, 51883), (24609, 27937)]