1245883947

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:849

約数の個数: 96

約数和(自身を含む): 2271711744

約数和(自身を除く): 1025827797

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 61, 77, 119, 147, 183, 187, 231, 357, 427, 539, 561, 671, 743, 833, 1037, 1281, 1309, 1617, 2013, 2229, 2499, 2989, 3111, 3927, 4697, 5201, 7259, 8173, 8967, 9163, 11407, 12631, 14091, 15603, 21777, 24519, 27489, 32879, 34221, 36407, 37893, 45323, 50813, 57211, 79849, 88417, 98637, 109221, 135969, 138941, 152439, 171633, 239547, 265251, 317261, 400477, 416823, 498553, 558943, 618919, 770491, 951783, 972587, 1201431, 1495659, 1676829, 1856757, 2220827, 2311473, 2917761, 3489871, 5393437, 6662481, 6808109, 8475401, 10469613, 16180311, 20424327, 24429097, 25426203, 37754059, 59327807, 73287291, 113262177, 177983421, 415294649, 1245883947]

約数ペア:

[(1, 1245883947), (3, 415294649), (7, 177983421), (11, 113262177), (17, 73287291), (21, 59327807), (33, 37754059), (49, 25426203), (51, 24429097), (61, 20424327), (77, 16180311), (119, 10469613), (147, 8475401), (183, 6808109), (187, 6662481), (231, 5393437), (357, 3489871), (427, 2917761), (539, 2311473), (561, 2220827), (671, 1856757), (743, 1676829), (833, 1495659), (1037, 1201431), (1281, 972587), (1309, 951783), (1617, 770491), (2013, 618919), (2229, 558943), (2499, 498553), (2989, 416823), (3111, 400477), (3927, 317261), (4697, 265251), (5201, 239547), (7259, 171633), (8173, 152439), (8967, 138941), (9163, 135969), (11407, 109221), (12631, 98637), (14091, 88417), (15603, 79849), (21777, 57211), (24519, 50813), (27489, 45323), (32879, 37893), (34221, 36407)]