28578375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 62300160

約数和(自身を除く): 33721785

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 125, 133, 171, 175, 191, 225, 285, 315, 375, 399, 475, 525, 573, 665, 855, 875, 955, 1125, 1197, 1337, 1425, 1575, 1719, 1995, 2375, 2625, 2865, 3325, 3629, 4011, 4275, 4775, 5985, 6685, 7125, 7875, 8595, 9975, 10887, 12033, 14325, 16625, 18145, 20055, 21375, 23875, 25403, 29925, 32661, 33425, 42975, 49875, 54435, 60165, 71625, 76209, 90725, 100275, 127015, 149625, 163305, 167125, 214875, 228627, 272175, 300825, 381045, 453625, 501375, 635075, 816525, 1143135, 1360875, 1504125, 1905225, 3175375, 4082625, 5715675, 9526125, 28578375]

約数ペア:

[(1, 28578375), (3, 9526125), (5, 5715675), (7, 4082625), (9, 3175375), (15, 1905225), (19, 1504125), (21, 1360875), (25, 1143135), (35, 816525), (45, 635075), (57, 501375), (63, 453625), (75, 381045), (95, 300825), (105, 272175), (125, 228627), (133, 214875), (171, 167125), (175, 163305), (191, 149625), (225, 127015), (285, 100275), (315, 90725), (375, 76209), (399, 71625), (475, 60165), (525, 54435), (573, 49875), (665, 42975), (855, 33425), (875, 32661), (955, 29925), (1125, 25403), (1197, 23875), (1337, 21375), (1425, 20055), (1575, 18145), (1719, 16625), (1995, 14325), (2375, 12033), (2625, 10887), (2865, 9975), (3325, 8595), (3629, 7875), (4011, 7125), (4275, 6685), (4775, 5985)]