26139915

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 51110400

約数和(自身を除く): 24970485

約数列:

[1, 3, 5, 9, 15, 19, 27, 43, 45, 57, 79, 81, 95, 129, 135, 171, 215, 237, 285, 387, 395, 405, 513, 645, 711, 817, 855, 1161, 1185, 1501, 1539, 1935, 2133, 2451, 2565, 3397, 3483, 3555, 4085, 4503, 5805, 6399, 7353, 7505, 7695, 10191, 10665, 12255, 13509, 16985, 17415, 22059, 22515, 30573, 31995, 36765, 40527, 50955, 64543, 66177, 67545, 91719, 110295, 121581, 152865, 193629, 202635, 275157, 322715, 330885, 458595, 580887, 607905, 968145, 1375785, 1742661, 2904435, 5227983, 8713305, 26139915]

約数ペア:

[(1, 26139915), (3, 8713305), (5, 5227983), (9, 2904435), (15, 1742661), (19, 1375785), (27, 968145), (43, 607905), (45, 580887), (57, 458595), (79, 330885), (81, 322715), (95, 275157), (129, 202635), (135, 193629), (171, 152865), (215, 121581), (237, 110295), (285, 91719), (387, 67545), (395, 66177), (405, 64543), (513, 50955), (645, 40527), (711, 36765), (817, 31995), (855, 30573), (1161, 22515), (1185, 22059), (1501, 17415), (1539, 16985), (1935, 13509), (2133, 12255), (2451, 10665), (2565, 10191), (3397, 7695), (3483, 7505), (3555, 7353), (4085, 6399), (4503, 5805)]