219494025

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 405208440

約数和(自身を除く): 185714415

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 97, 113, 225, 267, 291, 339, 445, 485, 565, 801, 873, 1017, 1335, 1455, 1695, 2225, 2425, 2825, 4005, 4365, 5085, 6675, 7275, 8475, 8633, 10057, 10961, 20025, 21825, 25425, 25899, 30171, 32883, 43165, 50285, 54805, 77697, 90513, 98649, 129495, 150855, 164415, 215825, 251425, 274025, 388485, 452565, 493245, 647475, 754275, 822075, 975529, 1942425, 2262825, 2466225, 2926587, 4877645, 8779761, 14632935, 24388225, 43898805, 73164675, 219494025]

約数ペア:

[(1, 219494025), (3, 73164675), (5, 43898805), (9, 24388225), (15, 14632935), (25, 8779761), (45, 4877645), (75, 2926587), (89, 2466225), (97, 2262825), (113, 1942425), (225, 975529), (267, 822075), (291, 754275), (339, 647475), (445, 493245), (485, 452565), (565, 388485), (801, 274025), (873, 251425), (1017, 215825), (1335, 164415), (1455, 150855), (1695, 129495), (2225, 98649), (2425, 90513), (2825, 77697), (4005, 54805), (4365, 50285), (5085, 43165), (6675, 32883), (7275, 30171), (8475, 25899), (8633, 25425), (10057, 21825), (10961, 20025)]