78492141

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 140474880

約数和(自身を除く): 61982739

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 239, 273, 401, 717, 819, 1203, 1673, 2151, 2807, 3107, 3609, 5019, 5213, 8421, 9321, 15057, 15639, 21749, 25263, 27963, 36491, 46917, 65247, 95839, 109473, 195741, 287517, 328419, 670873, 862551, 1245907, 2012619, 3737721, 6037857, 8721349, 11213163, 26164047, 78492141]

約数ペア:

[(1, 78492141), (3, 26164047), (7, 11213163), (9, 8721349), (13, 6037857), (21, 3737721), (39, 2012619), (63, 1245907), (91, 862551), (117, 670873), (239, 328419), (273, 287517), (401, 195741), (717, 109473), (819, 95839), (1203, 65247), (1673, 46917), (2151, 36491), (2807, 27963), (3107, 25263), (3609, 21749), (5019, 15639), (5213, 15057), (8421, 9321)]