61398405

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 118483200

約数和(自身を除く): 57084795

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 79, 81, 95, 101, 135, 171, 237, 285, 303, 395, 405, 505, 513, 711, 855, 909, 1185, 1501, 1515, 1539, 1919, 2133, 2565, 2727, 3555, 4503, 4545, 5757, 6399, 7505, 7695, 7979, 8181, 9595, 10665, 13509, 13635, 17271, 22515, 23937, 28785, 31995, 39895, 40527, 40905, 51813, 67545, 71811, 86355, 119685, 121581, 151601, 155439, 202635, 215433, 259065, 359055, 454803, 607905, 646299, 758005, 777195, 1077165, 1364409, 2274015, 3231495, 4093227, 6822045, 12279681, 20466135, 61398405]

約数ペア:

[(1, 61398405), (3, 20466135), (5, 12279681), (9, 6822045), (15, 4093227), (19, 3231495), (27, 2274015), (45, 1364409), (57, 1077165), (79, 777195), (81, 758005), (95, 646299), (101, 607905), (135, 454803), (171, 359055), (237, 259065), (285, 215433), (303, 202635), (395, 155439), (405, 151601), (505, 121581), (513, 119685), (711, 86355), (855, 71811), (909, 67545), (1185, 51813), (1501, 40905), (1515, 40527), (1539, 39895), (1919, 31995), (2133, 28785), (2565, 23937), (2727, 22515), (3555, 17271), (4503, 13635), (4545, 13509), (5757, 10665), (6399, 9595), (7505, 8181), (7695, 7979)]