421444161

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 685808640

約数和(自身を除く): 264364479

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 131, 153, 163, 387, 393, 459, 489, 731, 1161, 1179, 1467, 2193, 2227, 2771, 3537, 4401, 5633, 6579, 6681, 7009, 8313, 16899, 19737, 20043, 21027, 21353, 24939, 50697, 60129, 63081, 64059, 74817, 95761, 119153, 152091, 189243, 192177, 287283, 357459, 363001, 576531, 861849, 918179, 1072377, 1089003, 2585547, 2754537, 3217131, 3267009, 8263611, 9801027, 15609043, 24790833, 46827129, 140481387, 421444161]

約数ペア:

[(1, 421444161), (3, 140481387), (9, 46827129), (17, 24790833), (27, 15609043), (43, 9801027), (51, 8263611), (129, 3267009), (131, 3217131), (153, 2754537), (163, 2585547), (387, 1089003), (393, 1072377), (459, 918179), (489, 861849), (731, 576531), (1161, 363001), (1179, 357459), (1467, 287283), (2193, 192177), (2227, 189243), (2771, 152091), (3537, 119153), (4401, 95761), (5633, 74817), (6579, 64059), (6681, 63081), (7009, 60129), (8313, 50697), (16899, 24939), (19737, 21353), (20043, 21027)]