51915885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 102021120

約数和(自身を除く): 50105235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 53, 57, 95, 105, 133, 159, 265, 285, 371, 399, 491, 665, 795, 1007, 1113, 1473, 1855, 1995, 2455, 3021, 3437, 5035, 5565, 7049, 7365, 9329, 10311, 15105, 17185, 21147, 26023, 27987, 35245, 46645, 51555, 65303, 78069, 105735, 130115, 139935, 182161, 195909, 326515, 390345, 494437, 546483, 910805, 979545, 1483311, 2472185, 2732415, 3461059, 7416555, 10383177, 17305295, 51915885]

約数ペア:

[(1, 51915885), (3, 17305295), (5, 10383177), (7, 7416555), (15, 3461059), (19, 2732415), (21, 2472185), (35, 1483311), (53, 979545), (57, 910805), (95, 546483), (105, 494437), (133, 390345), (159, 326515), (265, 195909), (285, 182161), (371, 139935), (399, 130115), (491, 105735), (665, 78069), (795, 65303), (1007, 51555), (1113, 46645), (1473, 35245), (1855, 27987), (1995, 26023), (2455, 21147), (3021, 17185), (3437, 15105), (5035, 10311), (5565, 9329), (7049, 7365)]