81659085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 140470848

約数和(自身を除く): 58811763

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 251, 345, 529, 615, 753, 943, 1255, 1587, 2645, 2829, 3765, 4715, 5773, 7935, 10291, 14145, 17319, 21689, 28865, 30873, 51455, 65067, 86595, 108445, 132779, 154365, 236693, 325335, 398337, 663895, 710079, 1183465, 1991685, 3550395, 5443939, 16331817, 27219695, 81659085]

約数ペア:

[(1, 81659085), (3, 27219695), (5, 16331817), (15, 5443939), (23, 3550395), (41, 1991685), (69, 1183465), (115, 710079), (123, 663895), (205, 398337), (251, 325335), (345, 236693), (529, 154365), (615, 132779), (753, 108445), (943, 86595), (1255, 65067), (1587, 51455), (2645, 30873), (2829, 28865), (3765, 21689), (4715, 17319), (5773, 14145), (7935, 10291)]