318866325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 539001216

約数和(自身を除く): 220134891

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 233, 257, 355, 699, 771, 1065, 1165, 1285, 1775, 3495, 3855, 5325, 5825, 6425, 16543, 17475, 18247, 19275, 49629, 54741, 59881, 82715, 91235, 179643, 248145, 273705, 299405, 413575, 456175, 898215, 1240725, 1368525, 1497025, 4251551, 4491075, 12754653, 21257755, 63773265, 106288775, 318866325]

約数ペア:

[(1, 318866325), (3, 106288775), (5, 63773265), (15, 21257755), (25, 12754653), (71, 4491075), (75, 4251551), (213, 1497025), (233, 1368525), (257, 1240725), (355, 898215), (699, 456175), (771, 413575), (1065, 299405), (1165, 273705), (1285, 248145), (1775, 179643), (3495, 91235), (3855, 82715), (5325, 59881), (5825, 54741), (6425, 49629), (16543, 19275), (17475, 18247)]