218928519

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^2$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 332424456

約数和(自身を除く): 113495937

約数列:

[1, 3, 9, 37, 83, 89, 111, 249, 267, 333, 747, 801, 3071, 3293, 7387, 7921, 9213, 9879, 22161, 23763, 27639, 29637, 66483, 71289, 273319, 293077, 657443, 819957, 879231, 1972329, 2459871, 2637693, 5916987, 24325391, 72976173, 218928519]

約数ペア:

[(1, 218928519), (3, 72976173), (9, 24325391), (37, 5916987), (83, 2637693), (89, 2459871), (111, 1972329), (249, 879231), (267, 819957), (333, 657443), (747, 293077), (801, 273319), (3071, 71289), (3293, 66483), (7387, 29637), (7921, 27639), (9213, 23763), (9879, 22161)]