16539975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 32207760

約数和(自身を除く): 15667785

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 73, 75, 95, 159, 171, 219, 225, 265, 285, 365, 475, 477, 657, 795, 855, 1007, 1095, 1325, 1387, 1425, 1825, 2385, 3021, 3285, 3869, 3975, 4161, 4275, 5035, 5475, 6935, 9063, 11607, 11925, 12483, 15105, 16425, 19345, 20805, 25175, 34675, 34821, 45315, 58035, 62415, 73511, 75525, 96725, 104025, 174105, 220533, 226575, 290175, 312075, 367555, 661599, 870525, 1102665, 1837775, 3307995, 5513325, 16539975]

約数ペア:

[(1, 16539975), (3, 5513325), (5, 3307995), (9, 1837775), (15, 1102665), (19, 870525), (25, 661599), (45, 367555), (53, 312075), (57, 290175), (73, 226575), (75, 220533), (95, 174105), (159, 104025), (171, 96725), (219, 75525), (225, 73511), (265, 62415), (285, 58035), (365, 45315), (475, 34821), (477, 34675), (657, 25175), (795, 20805), (855, 19345), (1007, 16425), (1095, 15105), (1325, 12483), (1387, 11925), (1425, 11607), (1825, 9063), (2385, 6935), (3021, 5475), (3285, 5035), (3869, 4275), (3975, 4161)]