31293465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 29532135

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 43, 87, 105, 129, 145, 203, 215, 239, 301, 435, 609, 645, 717, 903, 1015, 1195, 1247, 1505, 1673, 3045, 3585, 3741, 4515, 5019, 6235, 6931, 8365, 8729, 10277, 18705, 20793, 25095, 26187, 30831, 34655, 43645, 48517, 51385, 71939, 103965, 130935, 145551, 154155, 215817, 242585, 298033, 359695, 727755, 894099, 1079085, 1490165, 2086231, 4470495, 6258693, 10431155, 31293465]

約数ペア:

[(1, 31293465), (3, 10431155), (5, 6258693), (7, 4470495), (15, 2086231), (21, 1490165), (29, 1079085), (35, 894099), (43, 727755), (87, 359695), (105, 298033), (129, 242585), (145, 215817), (203, 154155), (215, 145551), (239, 130935), (301, 103965), (435, 71939), (609, 51385), (645, 48517), (717, 43645), (903, 34655), (1015, 30831), (1195, 26187), (1247, 25095), (1505, 20793), (1673, 18705), (3045, 10277), (3585, 8729), (3741, 8365), (4515, 6931), (5019, 6235)]