73987425

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 144886560

約数和(自身を除く): 70899135

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 641, 675, 855, 1215, 1425, 1539, 1923, 2025, 2565, 3205, 4275, 4617, 5769, 6075, 7695, 9615, 12179, 12825, 16025, 17307, 23085, 28845, 36537, 38475, 48075, 51921, 60895, 86535, 109611, 115425, 144225, 155763, 182685, 259605, 304475, 328833, 432675, 548055, 778815, 913425, 986499, 1298025, 1644165, 2740275, 2959497, 3894075, 4932495, 8220825, 14797485, 24662475, 73987425]

約数ペア:

[(1, 73987425), (3, 24662475), (5, 14797485), (9, 8220825), (15, 4932495), (19, 3894075), (25, 2959497), (27, 2740275), (45, 1644165), (57, 1298025), (75, 986499), (81, 913425), (95, 778815), (135, 548055), (171, 432675), (225, 328833), (243, 304475), (285, 259605), (405, 182685), (475, 155763), (513, 144225), (641, 115425), (675, 109611), (855, 86535), (1215, 60895), (1425, 51921), (1539, 48075), (1923, 38475), (2025, 36537), (2565, 28845), (3205, 23085), (4275, 17307), (4617, 16025), (5769, 12825), (6075, 12179), (7695, 9615)]