13212315

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 26658720

約数和(自身を除く): 13446405

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 101, 135, 153, 171, 255, 285, 303, 323, 405, 459, 505, 513, 765, 855, 909, 969, 1377, 1515, 1539, 1615, 1717, 1919, 2295, 2565, 2727, 2907, 4545, 4845, 5151, 5757, 6885, 7695, 8181, 8585, 8721, 9595, 13635, 14535, 15453, 17271, 25755, 26163, 28785, 32623, 40905, 43605, 46359, 51813, 77265, 86355, 97869, 130815, 139077, 155439, 163115, 231795, 259065, 293607, 489345, 695385, 777195, 880821, 1468035, 2642463, 4404105, 13212315]

約数ペア:

[(1, 13212315), (3, 4404105), (5, 2642463), (9, 1468035), (15, 880821), (17, 777195), (19, 695385), (27, 489345), (45, 293607), (51, 259065), (57, 231795), (81, 163115), (85, 155439), (95, 139077), (101, 130815), (135, 97869), (153, 86355), (171, 77265), (255, 51813), (285, 46359), (303, 43605), (323, 40905), (405, 32623), (459, 28785), (505, 26163), (513, 25755), (765, 17271), (855, 15453), (909, 14535), (969, 13635), (1377, 9595), (1515, 8721), (1539, 8585), (1615, 8181), (1717, 7695), (1919, 6885), (2295, 5757), (2565, 5151), (2727, 4845), (2907, 4545)]