311279355

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 604385280

約数和(自身を除く): 293105925

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 79, 81, 115, 135, 141, 207, 235, 237, 243, 345, 395, 405, 423, 621, 705, 711, 729, 1035, 1081, 1185, 1215, 1269, 1817, 1863, 2115, 2133, 3105, 3243, 3555, 3645, 3713, 3807, 5405, 5451, 5589, 6345, 6399, 9085, 9315, 9729, 10665, 11139, 11421, 16215, 16353, 16767, 18565, 19035, 19197, 27255, 27945, 29187, 31995, 33417, 34263, 48645, 49059, 55695, 57105, 57591, 81765, 83835, 85399, 87561, 95985, 100251, 145935, 147177, 167085, 171315, 245295, 256197, 262683, 287955, 300753, 426995, 437805, 441531, 501255, 735885, 768591, 788049, 902259, 1280985, 1313415, 1324593, 1503765, 2207655, 2305773, 2706777, 3842955, 3940245, 4511295, 6622965, 6917319, 11528865, 13533885, 20751957, 34586595, 62255871, 103759785, 311279355]

約数ペア:

[(1, 311279355), (3, 103759785), (5, 62255871), (9, 34586595), (15, 20751957), (23, 13533885), (27, 11528865), (45, 6917319), (47, 6622965), (69, 4511295), (79, 3940245), (81, 3842955), (115, 2706777), (135, 2305773), (141, 2207655), (207, 1503765), (235, 1324593), (237, 1313415), (243, 1280985), (345, 902259), (395, 788049), (405, 768591), (423, 735885), (621, 501255), (705, 441531), (711, 437805), (729, 426995), (1035, 300753), (1081, 287955), (1185, 262683), (1215, 256197), (1269, 245295), (1817, 171315), (1863, 167085), (2115, 147177), (2133, 145935), (3105, 100251), (3243, 95985), (3555, 87561), (3645, 85399), (3713, 83835), (3807, 81765), (5405, 57591), (5451, 57105), (5589, 55695), (6345, 49059), (6399, 48645), (9085, 34263), (9315, 33417), (9729, 31995), (10665, 29187), (11139, 27945), (11421, 27255), (16215, 19197), (16353, 19035), (16767, 18565)]