1388757975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4663}}^1$

素因数の和:4725

約数の個数: 72

約数和(自身を含む): 2644152192

約数和(自身を除く): 1255394217

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 361, 475, 627, 825, 1045, 1083, 1425, 1805, 3135, 3971, 4663, 5225, 5415, 9025, 11913, 13989, 15675, 19855, 23315, 27075, 51293, 59565, 69945, 88597, 99275, 116575, 153879, 256465, 265791, 297825, 349725, 442985, 769395, 974567, 1282325, 1328955, 1683343, 2214925, 2923701, 3846975, 4872835, 5050029, 6644775, 8416715, 14618505, 18516773, 24364175, 25250145, 42083575, 55550319, 73092525, 92583865, 126250725, 277751595, 462919325, 1388757975]

約数ペア:

[(1, 1388757975), (3, 462919325), (5, 277751595), (11, 126250725), (15, 92583865), (19, 73092525), (25, 55550319), (33, 42083575), (55, 25250145), (57, 24364175), (75, 18516773), (95, 14618505), (165, 8416715), (209, 6644775), (275, 5050029), (285, 4872835), (361, 3846975), (475, 2923701), (627, 2214925), (825, 1683343), (1045, 1328955), (1083, 1282325), (1425, 974567), (1805, 769395), (3135, 442985), (3971, 349725), (4663, 297825), (5225, 265791), (5415, 256465), (9025, 153879), (11913, 116575), (13989, 99275), (15675, 88597), (19855, 69945), (23315, 59565), (27075, 51293)]