631289079

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 1026304000

約数和(自身を除く): 395014921

約数列:

[1, 3, 9, 19, 27, 37, 57, 79, 111, 171, 237, 333, 421, 513, 703, 711, 999, 1263, 1501, 2109, 2133, 2923, 3789, 4503, 6327, 7999, 8769, 11367, 13509, 15577, 18981, 23997, 26307, 33259, 40527, 46731, 55537, 71991, 78921, 99777, 140193, 166611, 215973, 295963, 299331, 420579, 499833, 631921, 887889, 897993, 1230583, 1499499, 1895763, 2663667, 3691749, 5687289, 7991001, 11075247, 17061867, 23381077, 33225741, 70143231, 210429693, 631289079]

約数ペア:

[(1, 631289079), (3, 210429693), (9, 70143231), (19, 33225741), (27, 23381077), (37, 17061867), (57, 11075247), (79, 7991001), (111, 5687289), (171, 3691749), (237, 2663667), (333, 1895763), (421, 1499499), (513, 1230583), (703, 897993), (711, 887889), (999, 631921), (1263, 499833), (1501, 420579), (2109, 299331), (2133, 295963), (2923, 215973), (3789, 166611), (4503, 140193), (6327, 99777), (7999, 78921), (8769, 71991), (11367, 55537), (13509, 46731), (15577, 40527), (18981, 33259), (23997, 26307)]