449331381

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 735989760

約数和(自身を除く): 286658379

約数列:

[1, 3, 9, 23, 27, 43, 69, 71, 79, 81, 129, 207, 213, 237, 387, 621, 639, 711, 989, 1161, 1633, 1817, 1863, 1917, 2133, 2967, 3053, 3397, 3483, 4899, 5451, 5609, 5751, 6399, 8901, 9159, 10191, 14697, 16353, 16827, 26703, 27477, 30573, 44091, 49059, 50481, 70219, 78131, 80109, 82431, 91719, 129007, 132273, 147177, 151443, 210657, 234393, 241187, 247293, 275157, 387021, 454329, 631971, 703179, 723561, 1161063, 1895913, 2109537, 2170683, 3483189, 5547301, 5687739, 6328611, 6512049, 10449567, 16641903, 19536147, 49925709, 149777127, 449331381]

約数ペア:

[(1, 449331381), (3, 149777127), (9, 49925709), (23, 19536147), (27, 16641903), (43, 10449567), (69, 6512049), (71, 6328611), (79, 5687739), (81, 5547301), (129, 3483189), (207, 2170683), (213, 2109537), (237, 1895913), (387, 1161063), (621, 723561), (639, 703179), (711, 631971), (989, 454329), (1161, 387021), (1633, 275157), (1817, 247293), (1863, 241187), (1917, 234393), (2133, 210657), (2967, 151443), (3053, 147177), (3397, 132273), (3483, 129007), (4899, 91719), (5451, 82431), (5609, 80109), (5751, 78131), (6399, 70219), (8901, 50481), (9159, 49059), (10191, 44091), (14697, 30573), (16353, 27477), (16827, 26703)]