78665175

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 152740224

約数和(自身を除く): 74075049

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 563, 575, 621, 675, 1035, 1215, 1689, 1725, 1863, 2025, 2815, 3105, 5067, 5175, 5589, 6075, 8445, 9315, 12949, 14075, 15201, 15525, 25335, 27945, 38847, 42225, 45603, 46575, 64745, 76005, 116541, 126675, 136809, 139725, 194235, 228015, 323725, 349623, 380025, 582705, 684045, 971175, 1048869, 1140075, 1748115, 2913525, 3146607, 3420225, 5244345, 8740575, 15733035, 26221725, 78665175]

約数ペア:

[(1, 78665175), (3, 26221725), (5, 15733035), (9, 8740575), (15, 5244345), (23, 3420225), (25, 3146607), (27, 2913525), (45, 1748115), (69, 1140075), (75, 1048869), (81, 971175), (115, 684045), (135, 582705), (207, 380025), (225, 349623), (243, 323725), (345, 228015), (405, 194235), (563, 139725), (575, 136809), (621, 126675), (675, 116541), (1035, 76005), (1215, 64745), (1689, 46575), (1725, 45603), (1863, 42225), (2025, 38847), (2815, 27945), (3105, 25335), (5067, 15525), (5175, 15201), (5589, 14075), (6075, 12949), (8445, 9315)]