25739775

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 50552320

約数和(自身を除く): 24812545

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 223, 225, 243, 285, 405, 475, 513, 669, 675, 855, 1115, 1215, 1425, 1539, 2007, 2025, 2565, 3345, 4237, 4275, 4617, 5575, 6021, 6075, 7695, 10035, 12711, 12825, 16725, 18063, 21185, 23085, 30105, 38133, 38475, 50175, 54189, 63555, 90315, 105925, 114399, 115425, 150525, 190665, 270945, 317775, 343197, 451575, 571995, 953325, 1029591, 1354725, 1715985, 2859975, 5147955, 8579925, 25739775]

約数ペア:

[(1, 25739775), (3, 8579925), (5, 5147955), (9, 2859975), (15, 1715985), (19, 1354725), (25, 1029591), (27, 953325), (45, 571995), (57, 451575), (75, 343197), (81, 317775), (95, 270945), (135, 190665), (171, 150525), (223, 115425), (225, 114399), (243, 105925), (285, 90315), (405, 63555), (475, 54189), (513, 50175), (669, 38475), (675, 38133), (855, 30105), (1115, 23085), (1215, 21185), (1425, 18063), (1539, 16725), (2007, 12825), (2025, 12711), (2565, 10035), (3345, 7695), (4237, 6075), (4275, 6021), (4617, 5575)]