78867375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 138158592

約数和(自身を除く): 59291217

約数列:

[1, 3, 5, 15, 25, 43, 67, 73, 75, 125, 129, 201, 215, 219, 335, 365, 375, 645, 1005, 1075, 1095, 1675, 1825, 2881, 3139, 3225, 4891, 5025, 5375, 5475, 8375, 8643, 9125, 9417, 14405, 14673, 15695, 16125, 24455, 25125, 27375, 43215, 47085, 72025, 73365, 78475, 122275, 210313, 216075, 235425, 360125, 366825, 392375, 611375, 630939, 1051565, 1080375, 1177125, 1834125, 3154695, 5257825, 15773475, 26289125, 78867375]

約数ペア:

[(1, 78867375), (3, 26289125), (5, 15773475), (15, 5257825), (25, 3154695), (43, 1834125), (67, 1177125), (73, 1080375), (75, 1051565), (125, 630939), (129, 611375), (201, 392375), (215, 366825), (219, 360125), (335, 235425), (365, 216075), (375, 210313), (645, 122275), (1005, 78475), (1075, 73365), (1095, 72025), (1675, 47085), (1825, 43215), (2881, 27375), (3139, 25125), (3225, 24455), (4891, 16125), (5025, 15695), (5375, 14673), (5475, 14405), (8375, 9417), (8643, 9125)]