17804865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 33530112

約数和(自身を除く): 15725247

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 131, 195, 205, 221, 255, 393, 533, 615, 655, 663, 697, 1105, 1599, 1703, 1965, 2091, 2227, 2665, 3315, 3485, 5109, 5371, 6681, 7995, 8515, 9061, 10455, 11135, 16113, 25545, 26855, 27183, 28951, 33405, 45305, 69823, 80565, 86853, 91307, 135915, 144755, 209469, 273921, 349115, 434265, 456535, 1047345, 1186991, 1369605, 3560973, 5934955, 17804865]

約数ペア:

[(1, 17804865), (3, 5934955), (5, 3560973), (13, 1369605), (15, 1186991), (17, 1047345), (39, 456535), (41, 434265), (51, 349115), (65, 273921), (85, 209469), (123, 144755), (131, 135915), (195, 91307), (205, 86853), (221, 80565), (255, 69823), (393, 45305), (533, 33405), (615, 28951), (655, 27183), (663, 26855), (697, 25545), (1105, 16113), (1599, 11135), (1703, 10455), (1965, 9061), (2091, 8515), (2227, 7995), (2665, 6681), (3315, 5371), (3485, 5109)]