15856403355

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{75083}}^1$

素因数の和:75145

約数の個数: 72

約数和(自身を含む): 31238848368

約数和(自身を除く): 15382445013

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 361, 585, 741, 855, 1083, 1235, 1805, 2223, 3249, 3705, 4693, 5415, 11115, 14079, 16245, 23465, 42237, 70395, 75083, 211185, 225249, 375415, 675747, 976079, 1126245, 1426577, 2928237, 3378735, 4279731, 4880395, 7132885, 8784711, 12839193, 14641185, 18545501, 21398655, 27104963, 43923555, 55636503, 64195965, 81314889, 92727505, 135524815, 166909509, 243944667, 278182515, 352364519, 406574445, 834547545, 1057093557, 1219723335, 1761822595, 3171280671, 5285467785, 15856403355]

約数ペア:

[(1, 15856403355), (3, 5285467785), (5, 3171280671), (9, 1761822595), (13, 1219723335), (15, 1057093557), (19, 834547545), (39, 406574445), (45, 352364519), (57, 278182515), (65, 243944667), (95, 166909509), (117, 135524815), (171, 92727505), (195, 81314889), (247, 64195965), (285, 55636503), (361, 43923555), (585, 27104963), (741, 21398655), (855, 18545501), (1083, 14641185), (1235, 12839193), (1805, 8784711), (2223, 7132885), (3249, 4880395), (3705, 4279731), (4693, 3378735), (5415, 2928237), (11115, 1426577), (14079, 1126245), (16245, 976079), (23465, 675747), (42237, 375415), (70395, 225249), (75083, 211185)]