2017130913

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 3483672192

約数和(自身を除く): 1466541279

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 307, 317, 329, 423, 441, 921, 951, 987, 2149, 2219, 2303, 2763, 2853, 2961, 6447, 6657, 6909, 14429, 14899, 15043, 15533, 19341, 19971, 20727, 43287, 44697, 45129, 46599, 97319, 101003, 104293, 129861, 134091, 135387, 139797, 291957, 303009, 312879, 681233, 707021, 730051, 875871, 909027, 938637, 2043699, 2121063, 2190153, 4573993, 4768631, 6131097, 6363189, 6570459, 13721979, 14305893, 32017951, 41165937, 42917679, 96053853, 224125657, 288161559, 672376971, 2017130913]

約数ペア:

[(1, 2017130913), (3, 672376971), (7, 288161559), (9, 224125657), (21, 96053853), (47, 42917679), (49, 41165937), (63, 32017951), (141, 14305893), (147, 13721979), (307, 6570459), (317, 6363189), (329, 6131097), (423, 4768631), (441, 4573993), (921, 2190153), (951, 2121063), (987, 2043699), (2149, 938637), (2219, 909027), (2303, 875871), (2763, 730051), (2853, 707021), (2961, 681233), (6447, 312879), (6657, 303009), (6909, 291957), (14429, 139797), (14899, 135387), (15043, 134091), (15533, 129861), (19341, 104293), (19971, 101003), (20727, 97319), (43287, 46599), (44697, 45129)]