1978515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 4283136

約数和(自身を除く): 2304621

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 571, 693, 1155, 1713, 2855, 3465, 3997, 5139, 6281, 8565, 11991, 18843, 19985, 25695, 31405, 35973, 43967, 56529, 59955, 94215, 131901, 179865, 219835, 282645, 395703, 659505, 1978515]

約数ペア:

[(1, 1978515), (3, 659505), (5, 395703), (7, 282645), (9, 219835), (11, 179865), (15, 131901), (21, 94215), (33, 59955), (35, 56529), (45, 43967), (55, 35973), (63, 31405), (77, 25695), (99, 19985), (105, 18843), (165, 11991), (231, 8565), (315, 6281), (385, 5139), (495, 3997), (571, 3465), (693, 2855), (1155, 1713)]