53780013

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 40568787

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 179, 251, 399, 537, 753, 1197, 1253, 1611, 1757, 2259, 3401, 3759, 4769, 5271, 10203, 11277, 14307, 15813, 23807, 30609, 33383, 42921, 44929, 71421, 100149, 134787, 214263, 300447, 314503, 404361, 853651, 943509, 2560953, 2830527, 5975557, 7682859, 17926671, 53780013]

約数ペア:

[(1, 53780013), (3, 17926671), (7, 7682859), (9, 5975557), (19, 2830527), (21, 2560953), (57, 943509), (63, 853651), (133, 404361), (171, 314503), (179, 300447), (251, 214263), (399, 134787), (537, 100149), (753, 71421), (1197, 44929), (1253, 42921), (1611, 33383), (1757, 30609), (2259, 23807), (3401, 15813), (3759, 14307), (4769, 11277), (5271, 10203)]