28224675

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 55014336

約数和(自身を除く): 26789661

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 141, 153, 157, 225, 235, 255, 423, 425, 471, 705, 765, 785, 799, 1175, 1275, 1413, 2115, 2355, 2397, 2669, 3525, 3825, 3925, 3995, 7065, 7191, 7379, 8007, 10575, 11775, 11985, 13345, 19975, 22137, 24021, 35325, 35955, 36895, 40035, 59925, 66411, 66725, 110685, 120105, 125443, 179775, 184475, 200175, 332055, 376329, 553425, 600525, 627215, 1128987, 1660275, 1881645, 3136075, 5644935, 9408225, 28224675]

約数ペア:

[(1, 28224675), (3, 9408225), (5, 5644935), (9, 3136075), (15, 1881645), (17, 1660275), (25, 1128987), (45, 627215), (47, 600525), (51, 553425), (75, 376329), (85, 332055), (141, 200175), (153, 184475), (157, 179775), (225, 125443), (235, 120105), (255, 110685), (423, 66725), (425, 66411), (471, 59925), (705, 40035), (765, 36895), (785, 35955), (799, 35325), (1175, 24021), (1275, 22137), (1413, 19975), (2115, 13345), (2355, 11985), (2397, 11775), (2669, 10575), (3525, 8007), (3825, 7379), (3925, 7191), (3995, 7065)]