201588765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 398653440

約数和(自身を除く): 197064675

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 285, 399, 555, 665, 703, 777, 1295, 1995, 2109, 2731, 3515, 3885, 4921, 8193, 10545, 13655, 14763, 19117, 24605, 40965, 51889, 57351, 73815, 95585, 101047, 155667, 259445, 286755, 303141, 363223, 505235, 707329, 778335, 1089669, 1515705, 1816115, 1919893, 2121987, 3536645, 5448345, 5759679, 9599465, 10609935, 13439251, 28798395, 40317753, 67196255, 201588765]

約数ペア:

[(1, 201588765), (3, 67196255), (5, 40317753), (7, 28798395), (15, 13439251), (19, 10609935), (21, 9599465), (35, 5759679), (37, 5448345), (57, 3536645), (95, 2121987), (105, 1919893), (111, 1816115), (133, 1515705), (185, 1089669), (259, 778335), (285, 707329), (399, 505235), (555, 363223), (665, 303141), (703, 286755), (777, 259445), (1295, 155667), (1995, 101047), (2109, 95585), (2731, 73815), (3515, 57351), (3885, 51889), (4921, 40965), (8193, 24605), (10545, 19117), (13655, 14763)]