26686515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 45506880

約数和(自身を除く): 18820365

約数列:

[1, 3, 5, 15, 17, 51, 85, 229, 255, 457, 687, 1145, 1371, 2285, 3435, 3893, 6855, 7769, 11679, 19465, 23307, 38845, 58395, 104653, 116535, 313959, 523265, 1569795, 1779101, 5337303, 8895505, 26686515]

約数ペア:

[(1, 26686515), (3, 8895505), (5, 5337303), (15, 1779101), (17, 1569795), (51, 523265), (85, 313959), (229, 116535), (255, 104653), (457, 58395), (687, 38845), (1145, 23307), (1371, 19465), (2285, 11679), (3435, 7769), (3893, 6855)]