28463805

素因数分解:

$3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 54316800

約数和(自身を除く): 25852995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 137, 171, 243, 285, 405, 411, 513, 685, 729, 855, 1215, 1233, 1539, 2055, 2187, 2565, 2603, 3645, 3699, 4617, 6165, 7695, 7809, 10935, 11097, 13015, 13851, 18495, 23085, 23427, 33291, 39045, 41553, 55485, 69255, 70281, 99873, 117135, 166455, 207765, 210843, 299619, 351405, 499365, 632529, 1054215, 1498095, 1897587, 3162645, 5692761, 9487935, 28463805]

約数ペア:

[(1, 28463805), (3, 9487935), (5, 5692761), (9, 3162645), (15, 1897587), (19, 1498095), (27, 1054215), (45, 632529), (57, 499365), (81, 351405), (95, 299619), (135, 210843), (137, 207765), (171, 166455), (243, 117135), (285, 99873), (405, 70281), (411, 69255), (513, 55485), (685, 41553), (729, 39045), (855, 33291), (1215, 23427), (1233, 23085), (1539, 18495), (2055, 13851), (2187, 13015), (2565, 11097), (2603, 10935), (3645, 7809), (3699, 7695), (4617, 6165)]