31117191

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 19644537

約数列:

[1, 3, 7, 17, 21, 51, 101, 119, 303, 357, 707, 863, 1717, 2121, 2589, 5151, 6041, 12019, 14671, 18123, 36057, 44013, 87163, 102697, 261489, 308091, 610141, 1481771, 1830423, 4445313, 10372397, 31117191]

約数ペア:

[(1, 31117191), (3, 10372397), (7, 4445313), (17, 1830423), (21, 1481771), (51, 610141), (101, 308091), (119, 261489), (303, 102697), (357, 87163), (707, 44013), (863, 36057), (1717, 18123), (2121, 14671), (2589, 12019), (5151, 6041)]