16661775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 30998016

約数和(自身を除く): 14336241

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 743, 897, 975, 1495, 1725, 2229, 3715, 4485, 7475, 9659, 11145, 17089, 18575, 22425, 28977, 48295, 51267, 55725, 85445, 144885, 222157, 241475, 256335, 427225, 666471, 724425, 1110785, 1281675, 3332355, 5553925, 16661775]

約数ペア:

[(1, 16661775), (3, 5553925), (5, 3332355), (13, 1281675), (15, 1110785), (23, 724425), (25, 666471), (39, 427225), (65, 256335), (69, 241475), (75, 222157), (115, 144885), (195, 85445), (299, 55725), (325, 51267), (345, 48295), (575, 28977), (743, 22425), (897, 18575), (975, 17089), (1495, 11145), (1725, 9659), (2229, 7475), (3715, 4485)]