13213515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2063}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 24569856

約数和(自身を除く): 11356341

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2063, 2135, 6189, 6405, 10315, 14441, 30945, 43323, 72205, 125843, 216615, 377529, 629215, 880901, 1887645, 2642703, 4404505, 13213515]

約数ペア:

[(1, 13213515), (3, 4404505), (5, 2642703), (7, 1887645), (15, 880901), (21, 629215), (35, 377529), (61, 216615), (105, 125843), (183, 72205), (305, 43323), (427, 30945), (915, 14441), (1281, 10315), (2063, 6405), (2135, 6189)]