140457681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1151}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 251596800

約数和(自身を除く): 111139119

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 273, 447, 819, 1043, 1151, 1341, 1937, 3129, 3453, 5811, 8057, 9387, 10359, 13559, 14963, 17433, 24171, 40677, 44889, 72513, 104741, 122031, 134667, 171499, 314223, 514497, 942669, 1200493, 1543491, 2229487, 3601479, 6688461, 10804437, 15606409, 20065383, 46819227, 140457681]

約数ペア:

[(1, 140457681), (3, 46819227), (7, 20065383), (9, 15606409), (13, 10804437), (21, 6688461), (39, 3601479), (63, 2229487), (91, 1543491), (117, 1200493), (149, 942669), (273, 514497), (447, 314223), (819, 171499), (1043, 134667), (1151, 122031), (1341, 104741), (1937, 72513), (3129, 44889), (3453, 40677), (5811, 24171), (8057, 17433), (9387, 14963), (10359, 13559)]