61378005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 111541248

約数和(自身を除く): 50163243

約数列:

[1, 3, 5, 13, 15, 37, 39, 47, 65, 111, 141, 181, 185, 195, 235, 481, 543, 555, 611, 705, 905, 1443, 1739, 1833, 2353, 2405, 2715, 3055, 5217, 6697, 7059, 7215, 8507, 8695, 9165, 11765, 20091, 22607, 25521, 26085, 33485, 35295, 42535, 67821, 87061, 100455, 110591, 113035, 127605, 261183, 314759, 331773, 339105, 435305, 552955, 944277, 1305915, 1573795, 1658865, 4091867, 4721385, 12275601, 20459335, 61378005]

約数ペア:

[(1, 61378005), (3, 20459335), (5, 12275601), (13, 4721385), (15, 4091867), (37, 1658865), (39, 1573795), (47, 1305915), (65, 944277), (111, 552955), (141, 435305), (181, 339105), (185, 331773), (195, 314759), (235, 261183), (481, 127605), (543, 113035), (555, 110591), (611, 100455), (705, 87061), (905, 67821), (1443, 42535), (1739, 35295), (1833, 33485), (2353, 26085), (2405, 25521), (2715, 22607), (3055, 20091), (5217, 11765), (6697, 9165), (7059, 8695), (7215, 8507)]