218362725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7297}}^1$

素因数の和:7339

約数の個数: 72

約数和(自身を含む): 470575040

約数和(自身を除く): 252212315

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 1197, 1425, 1575, 1995, 3325, 4275, 5985, 7297, 9975, 21891, 29925, 36485, 51079, 65673, 109455, 138643, 153237, 182425, 255395, 328365, 415929, 459711, 547275, 693215, 766185, 970501, 1247787, 1276975, 1641825, 2079645, 2298555, 2911503, 3466075, 3830925, 4852505, 6238935, 8734509, 10398225, 11492775, 14557515, 24262525, 31194675, 43672545, 72787575, 218362725]

約数ペア:

[(1, 218362725), (3, 72787575), (5, 43672545), (7, 31194675), (9, 24262525), (15, 14557515), (19, 11492775), (21, 10398225), (25, 8734509), (35, 6238935), (45, 4852505), (57, 3830925), (63, 3466075), (75, 2911503), (95, 2298555), (105, 2079645), (133, 1641825), (171, 1276975), (175, 1247787), (225, 970501), (285, 766185), (315, 693215), (399, 547275), (475, 459711), (525, 415929), (665, 328365), (855, 255395), (1197, 182425), (1425, 153237), (1575, 138643), (1995, 109455), (3325, 65673), (4275, 51079), (5985, 36485), (7297, 29925), (9975, 21891)]