15813225

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 31143840

約数和(自身を除く): 15330615

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 137, 171, 225, 243, 285, 405, 411, 475, 513, 675, 685, 855, 1215, 1233, 1425, 1539, 2025, 2055, 2565, 2603, 3425, 3699, 4275, 4617, 6075, 6165, 7695, 7809, 10275, 11097, 12825, 13015, 18495, 23085, 23427, 30825, 33291, 38475, 39045, 55485, 65075, 70281, 92475, 115425, 117135, 166455, 195225, 210843, 277425, 351405, 585675, 632529, 832275, 1054215, 1757025, 3162645, 5271075, 15813225]

約数ペア:

[(1, 15813225), (3, 5271075), (5, 3162645), (9, 1757025), (15, 1054215), (19, 832275), (25, 632529), (27, 585675), (45, 351405), (57, 277425), (75, 210843), (81, 195225), (95, 166455), (135, 117135), (137, 115425), (171, 92475), (225, 70281), (243, 65075), (285, 55485), (405, 39045), (411, 38475), (475, 33291), (513, 30825), (675, 23427), (685, 23085), (855, 18495), (1215, 13015), (1233, 12825), (1425, 11097), (1539, 10275), (2025, 7809), (2055, 7695), (2565, 6165), (2603, 6075), (3425, 4617), (3699, 4275)]