18176475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 31828320

約数和(自身を除く): 13651845

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 137, 145, 183, 305, 411, 435, 685, 725, 915, 1525, 1769, 2055, 2175, 3425, 3973, 4575, 5307, 8357, 8845, 10275, 11919, 19865, 25071, 26535, 41785, 44225, 59595, 99325, 125355, 132675, 208925, 242353, 297975, 626775, 727059, 1211765, 3635295, 6058825, 18176475]

約数ペア:

[(1, 18176475), (3, 6058825), (5, 3635295), (15, 1211765), (25, 727059), (29, 626775), (61, 297975), (75, 242353), (87, 208925), (137, 132675), (145, 125355), (183, 99325), (305, 59595), (411, 44225), (435, 41785), (685, 26535), (725, 25071), (915, 19865), (1525, 11919), (1769, 10275), (2055, 8845), (2175, 8357), (3425, 5307), (3973, 4575)]