201911157

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 366336000

約数和(自身を除く): 164424843

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 59, 63, 133, 171, 177, 189, 399, 413, 513, 531, 953, 1121, 1197, 1239, 1593, 2859, 3363, 3591, 3717, 6671, 7847, 8577, 10089, 11151, 18107, 20013, 23541, 25731, 30267, 54321, 56227, 60039, 70623, 126749, 162963, 168681, 180117, 211869, 380247, 393589, 488889, 506043, 1068313, 1140741, 1180767, 1518129, 3204939, 3422223, 3542301, 7478191, 9614817, 10626903, 22434573, 28844451, 67303719, 201911157]

約数ペア:

[(1, 201911157), (3, 67303719), (7, 28844451), (9, 22434573), (19, 10626903), (21, 9614817), (27, 7478191), (57, 3542301), (59, 3422223), (63, 3204939), (133, 1518129), (171, 1180767), (177, 1140741), (189, 1068313), (399, 506043), (413, 488889), (513, 393589), (531, 380247), (953, 211869), (1121, 180117), (1197, 168681), (1239, 162963), (1593, 126749), (2859, 70623), (3363, 60039), (3591, 56227), (3717, 54321), (6671, 30267), (7847, 25731), (8577, 23541), (10089, 20013), (11151, 18107)]