1309781375

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 1962455040

約数和(自身を除く): 652673665

約数列:

[1, 5, 7, 25, 29, 35, 71, 125, 145, 175, 203, 355, 497, 725, 727, 875, 1015, 1775, 2059, 2485, 3625, 3635, 5075, 5089, 8875, 10295, 12425, 14413, 18175, 21083, 25375, 25445, 51475, 51617, 62125, 72065, 90875, 105415, 127225, 147581, 257375, 258085, 360325, 361319, 527075, 636125, 737905, 1290425, 1496893, 1801625, 1806595, 2635375, 3689525, 6452125, 7484465, 9032975, 10478251, 18447625, 37422325, 45164875, 52391255, 187111625, 261956275, 1309781375]

約数ペア:

[(1, 1309781375), (5, 261956275), (7, 187111625), (25, 52391255), (29, 45164875), (35, 37422325), (71, 18447625), (125, 10478251), (145, 9032975), (175, 7484465), (203, 6452125), (355, 3689525), (497, 2635375), (725, 1806595), (727, 1801625), (875, 1496893), (1015, 1290425), (1775, 737905), (2059, 636125), (2485, 527075), (3625, 361319), (3635, 360325), (5075, 258085), (5089, 257375), (8875, 147581), (10295, 127225), (12425, 105415), (14413, 90875), (18175, 72065), (21083, 62125), (25375, 51617), (25445, 51475)]