65260455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 115760736

約数和(自身を除く): 50500281

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 181, 195, 215, 543, 559, 645, 905, 1677, 1849, 2353, 2715, 2795, 5547, 7059, 7783, 8385, 9245, 11765, 23349, 24037, 27735, 35295, 38915, 72111, 101179, 116745, 120185, 303537, 334669, 360555, 505895, 1004007, 1517685, 1673345, 4350697, 5020035, 13052091, 21753485, 65260455]

約数ペア:

[(1, 65260455), (3, 21753485), (5, 13052091), (13, 5020035), (15, 4350697), (39, 1673345), (43, 1517685), (65, 1004007), (129, 505895), (181, 360555), (195, 334669), (215, 303537), (543, 120185), (559, 116745), (645, 101179), (905, 72111), (1677, 38915), (1849, 35295), (2353, 27735), (2715, 24037), (2795, 23349), (5547, 11765), (7059, 9245), (7783, 8385)]