71972271

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 130266240

約数和(自身を除く): 58293969

約数列:

[1, 3, 7, 9, 17, 21, 51, 59, 63, 67, 119, 153, 177, 201, 289, 357, 413, 469, 531, 603, 867, 1003, 1071, 1139, 1239, 1407, 2023, 2601, 3009, 3417, 3717, 3953, 4221, 6069, 7021, 7973, 9027, 10251, 11859, 17051, 18207, 19363, 21063, 23919, 27671, 35577, 51153, 58089, 63189, 67201, 71757, 83013, 119357, 135541, 153459, 174267, 201603, 249039, 358071, 406623, 470407, 604809, 1074213, 1142417, 1219869, 1411221, 3427251, 4233663, 7996919, 10281753, 23990757, 71972271]

約数ペア:

[(1, 71972271), (3, 23990757), (7, 10281753), (9, 7996919), (17, 4233663), (21, 3427251), (51, 1411221), (59, 1219869), (63, 1142417), (67, 1074213), (119, 604809), (153, 470407), (177, 406623), (201, 358071), (289, 249039), (357, 201603), (413, 174267), (469, 153459), (531, 135541), (603, 119357), (867, 83013), (1003, 71757), (1071, 67201), (1139, 63189), (1239, 58089), (1407, 51153), (2023, 35577), (2601, 27671), (3009, 23919), (3417, 21063), (3717, 19363), (3953, 18207), (4221, 17051), (6069, 11859), (7021, 10251), (7973, 9027)]