81119325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 166060800

約数和(自身を除く): 84941475

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 61, 75, 85, 105, 119, 149, 175, 183, 255, 305, 357, 425, 427, 447, 525, 595, 745, 915, 1037, 1043, 1275, 1281, 1525, 1785, 2135, 2235, 2533, 2975, 3111, 3129, 3725, 4575, 5185, 5215, 6405, 7259, 7599, 8925, 9089, 10675, 11175, 12665, 15555, 15645, 17731, 21777, 25925, 26075, 27267, 32025, 36295, 37995, 45445, 53193, 63325, 63623, 77775, 78225, 88655, 108885, 136335, 154513, 181475, 189975, 190869, 227225, 265965, 318115, 443275, 463539, 544425, 681675, 772565, 954345, 1081591, 1329825, 1590575, 2317695, 3244773, 3862825, 4771725, 5407955, 11588475, 16223865, 27039775, 81119325]

約数ペア:

[(1, 81119325), (3, 27039775), (5, 16223865), (7, 11588475), (15, 5407955), (17, 4771725), (21, 3862825), (25, 3244773), (35, 2317695), (51, 1590575), (61, 1329825), (75, 1081591), (85, 954345), (105, 772565), (119, 681675), (149, 544425), (175, 463539), (183, 443275), (255, 318115), (305, 265965), (357, 227225), (425, 190869), (427, 189975), (447, 181475), (525, 154513), (595, 136335), (745, 108885), (915, 88655), (1037, 78225), (1043, 77775), (1275, 63623), (1281, 63325), (1525, 53193), (1785, 45445), (2135, 37995), (2235, 36295), (2533, 32025), (2975, 27267), (3111, 26075), (3129, 25925), (3725, 21777), (4575, 17731), (5185, 15645), (5215, 15555), (6405, 12665), (7259, 11175), (7599, 10675), (8925, 9089)]