72839475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 140147280

約数和(自身を除く): 67307805

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 137, 139, 153, 225, 255, 411, 417, 425, 685, 695, 765, 1233, 1251, 1275, 2055, 2085, 2329, 2363, 3425, 3475, 3825, 6165, 6255, 6987, 7089, 10275, 10425, 11645, 11815, 19043, 20961, 21267, 30825, 31275, 34935, 35445, 57129, 58225, 59075, 95215, 104805, 106335, 171387, 174675, 177225, 285645, 323731, 476075, 524025, 531675, 856935, 971193, 1428225, 1618655, 2913579, 4284675, 4855965, 8093275, 14567895, 24279825, 72839475]

約数ペア:

[(1, 72839475), (3, 24279825), (5, 14567895), (9, 8093275), (15, 4855965), (17, 4284675), (25, 2913579), (45, 1618655), (51, 1428225), (75, 971193), (85, 856935), (137, 531675), (139, 524025), (153, 476075), (225, 323731), (255, 285645), (411, 177225), (417, 174675), (425, 171387), (685, 106335), (695, 104805), (765, 95215), (1233, 59075), (1251, 58225), (1275, 57129), (2055, 35445), (2085, 34935), (2329, 31275), (2363, 30825), (3425, 21267), (3475, 20961), (3825, 19043), (6165, 11815), (6255, 11645), (6987, 10425), (7089, 10275)]