71117715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 127526400

約数和(自身を除く): 56408685

約数列:

[1, 3, 5, 15, 17, 29, 51, 59, 85, 87, 145, 163, 177, 255, 295, 435, 489, 493, 815, 885, 1003, 1479, 1711, 2445, 2465, 2771, 3009, 4727, 5015, 5133, 7395, 8313, 8555, 9617, 13855, 14181, 15045, 23635, 25665, 28851, 29087, 41565, 48085, 70905, 80359, 87261, 144255, 145435, 163489, 241077, 278893, 401795, 436305, 490467, 817445, 836679, 1205385, 1394465, 2452335, 4183395, 4741181, 14223543, 23705905, 71117715]

約数ペア:

[(1, 71117715), (3, 23705905), (5, 14223543), (15, 4741181), (17, 4183395), (29, 2452335), (51, 1394465), (59, 1205385), (85, 836679), (87, 817445), (145, 490467), (163, 436305), (177, 401795), (255, 278893), (295, 241077), (435, 163489), (489, 145435), (493, 144255), (815, 87261), (885, 80359), (1003, 70905), (1479, 48085), (1711, 41565), (2445, 29087), (2465, 28851), (2771, 25665), (3009, 23635), (4727, 15045), (5015, 14181), (5133, 13855), (7395, 9617), (8313, 8555)]