72129453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 119854080

約数和(自身を除く): 47724627

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 67, 101, 187, 201, 209, 303, 323, 561, 627, 737, 969, 1111, 1139, 1273, 1717, 1919, 2211, 3333, 3417, 3553, 3819, 5151, 5757, 6767, 10659, 12529, 14003, 18887, 20301, 21109, 21641, 32623, 37587, 42009, 56661, 63327, 64923, 74437, 97869, 115039, 128573, 223311, 238051, 345117, 358853, 385719, 714153, 1076559, 1265429, 1414303, 2185741, 3796287, 4242909, 6557223, 24043151, 72129453]

約数ペア:

[(1, 72129453), (3, 24043151), (11, 6557223), (17, 4242909), (19, 3796287), (33, 2185741), (51, 1414303), (57, 1265429), (67, 1076559), (101, 714153), (187, 385719), (201, 358853), (209, 345117), (303, 238051), (323, 223311), (561, 128573), (627, 115039), (737, 97869), (969, 74437), (1111, 64923), (1139, 63327), (1273, 56661), (1717, 42009), (1919, 37587), (2211, 32623), (3333, 21641), (3417, 21109), (3553, 20301), (3819, 18887), (5151, 14003), (5757, 12529), (6767, 10659)]