1761993405

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3976

約数の個数: 80

約数和(自身を含む): 3381998400

約数和(自身を除く): 1620004995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 81, 95, 135, 171, 177, 285, 295, 405, 513, 531, 855, 885, 1121, 1539, 1593, 2565, 2655, 3363, 3881, 4779, 5605, 7695, 7965, 10089, 11643, 16815, 19405, 23895, 30267, 34929, 50445, 58215, 73739, 90801, 104787, 151335, 174645, 221217, 228979, 314361, 368695, 454005, 523935, 663651, 686937, 1106085, 1144895, 1571805, 1990953, 2060811, 3318255, 3434685, 4350601, 5972859, 6182433, 9954765, 10304055, 13051803, 18547299, 21753005, 29864295, 30912165, 39155409, 65259015, 92736495, 117466227, 195777045, 352398681, 587331135, 1761993405]

約数ペア:

[(1, 1761993405), (3, 587331135), (5, 352398681), (9, 195777045), (15, 117466227), (19, 92736495), (27, 65259015), (45, 39155409), (57, 30912165), (59, 29864295), (81, 21753005), (95, 18547299), (135, 13051803), (171, 10304055), (177, 9954765), (285, 6182433), (295, 5972859), (405, 4350601), (513, 3434685), (531, 3318255), (855, 2060811), (885, 1990953), (1121, 1571805), (1539, 1144895), (1593, 1106085), (2565, 686937), (2655, 663651), (3363, 523935), (3881, 454005), (4779, 368695), (5605, 314361), (7695, 228979), (7965, 221217), (10089, 174645), (11643, 151335), (16815, 104787), (19405, 90801), (23895, 73739), (30267, 58215), (34929, 50445)]