2170395

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 4077216

約数和(自身を除く): 1906821

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 233, 345, 405, 621, 699, 1035, 1165, 1863, 2097, 3105, 3495, 5359, 6291, 9315, 10485, 16077, 18873, 26795, 31455, 48231, 80385, 94365, 144693, 241155, 434079, 723465, 2170395]

約数ペア:

[(1, 2170395), (3, 723465), (5, 434079), (9, 241155), (15, 144693), (23, 94365), (27, 80385), (45, 48231), (69, 31455), (81, 26795), (115, 18873), (135, 16077), (207, 10485), (233, 9315), (345, 6291), (405, 5359), (621, 3495), (699, 3105), (1035, 2097), (1165, 1863)]