13159605

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 21909888

約数和(自身を除く): 8750283

約数列:

[1, 3, 5, 15, 37, 111, 131, 181, 185, 393, 543, 555, 655, 905, 1965, 2715, 4847, 6697, 14541, 20091, 23711, 24235, 33485, 71133, 72705, 100455, 118555, 355665, 877307, 2631921, 4386535, 13159605]

約数ペア:

[(1, 13159605), (3, 4386535), (5, 2631921), (15, 877307), (37, 355665), (111, 118555), (131, 100455), (181, 72705), (185, 71133), (393, 33485), (543, 24235), (555, 23711), (655, 20091), (905, 14541), (1965, 6697), (2715, 4847)]