65198025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 124962240

約数和(自身を除く): 59764215

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 101, 151, 171, 225, 285, 303, 453, 475, 505, 755, 855, 909, 1359, 1425, 1515, 1919, 2265, 2525, 2869, 3775, 4275, 4545, 5757, 6795, 7575, 8607, 9595, 11325, 14345, 15251, 17271, 22725, 25821, 28785, 33975, 43035, 45753, 47975, 71725, 76255, 86355, 129105, 137259, 143925, 215175, 228765, 289769, 381275, 431775, 645525, 686295, 869307, 1143825, 1448845, 2607921, 3431475, 4346535, 7244225, 13039605, 21732675, 65198025]

約数ペア:

[(1, 65198025), (3, 21732675), (5, 13039605), (9, 7244225), (15, 4346535), (19, 3431475), (25, 2607921), (45, 1448845), (57, 1143825), (75, 869307), (95, 686295), (101, 645525), (151, 431775), (171, 381275), (225, 289769), (285, 228765), (303, 215175), (453, 143925), (475, 137259), (505, 129105), (755, 86355), (855, 76255), (909, 71725), (1359, 47975), (1425, 45753), (1515, 43035), (1919, 33975), (2265, 28785), (2525, 25821), (2869, 22725), (3775, 17271), (4275, 15251), (4545, 14345), (5757, 11325), (6795, 9595), (7575, 8607)]