1993005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 4414080

約数和(自身を除く): 2421075

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 37, 45, 57, 63, 81, 95, 105, 111, 133, 135, 171, 185, 189, 259, 285, 315, 333, 399, 405, 513, 555, 567, 665, 703, 777, 855, 945, 999, 1197, 1295, 1539, 1665, 1995, 2109, 2331, 2565, 2835, 2997, 3515, 3591, 3885, 4921, 4995, 5985, 6327, 6993, 7695, 10545, 10773, 11655, 14763, 14985, 17955, 18981, 20979, 24605, 31635, 34965, 44289, 53865, 56943, 73815, 94905, 104895, 132867, 221445, 284715, 398601, 664335, 1993005]

約数ペア:

[(1, 1993005), (3, 664335), (5, 398601), (7, 284715), (9, 221445), (15, 132867), (19, 104895), (21, 94905), (27, 73815), (35, 56943), (37, 53865), (45, 44289), (57, 34965), (63, 31635), (81, 24605), (95, 20979), (105, 18981), (111, 17955), (133, 14985), (135, 14763), (171, 11655), (185, 10773), (189, 10545), (259, 7695), (285, 6993), (315, 6327), (333, 5985), (399, 4995), (405, 4921), (513, 3885), (555, 3591), (567, 3515), (665, 2997), (703, 2835), (777, 2565), (855, 2331), (945, 2109), (999, 1995), (1197, 1665), (1295, 1539)]