16861365

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 33454080

約数和(自身を除く): 16592715

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 79, 81, 85, 93, 135, 153, 155, 237, 255, 279, 395, 405, 459, 465, 527, 711, 765, 837, 1185, 1343, 1377, 1395, 1581, 2133, 2295, 2449, 2511, 2635, 3555, 4029, 4185, 4743, 6399, 6715, 6885, 7347, 7905, 10665, 12087, 12245, 12555, 14229, 20145, 22041, 23715, 31995, 36261, 36735, 41633, 42687, 60435, 66123, 71145, 108783, 110205, 124899, 181305, 198369, 208165, 213435, 330615, 374697, 543915, 624495, 991845, 1124091, 1873485, 3372273, 5620455, 16861365]

約数ペア:

[(1, 16861365), (3, 5620455), (5, 3372273), (9, 1873485), (15, 1124091), (17, 991845), (27, 624495), (31, 543915), (45, 374697), (51, 330615), (79, 213435), (81, 208165), (85, 198369), (93, 181305), (135, 124899), (153, 110205), (155, 108783), (237, 71145), (255, 66123), (279, 60435), (395, 42687), (405, 41633), (459, 36735), (465, 36261), (527, 31995), (711, 23715), (765, 22041), (837, 20145), (1185, 14229), (1343, 12555), (1377, 12245), (1395, 12087), (1581, 10665), (2133, 7905), (2295, 7347), (2449, 6885), (2511, 6715), (2635, 6399), (3555, 4743), (4029, 4185)]