128487975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1221

約数の個数: 96

約数和(自身を含む): 279029760

約数和(自身を除く): 150541785

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 133, 165, 175, 209, 231, 275, 285, 385, 399, 475, 525, 627, 665, 825, 1045, 1155, 1171, 1425, 1463, 1925, 1995, 3135, 3325, 3513, 4389, 5225, 5775, 5855, 7315, 8197, 9975, 12881, 15675, 17565, 21945, 22249, 24591, 29275, 36575, 38643, 40985, 64405, 66747, 87825, 90167, 109725, 111245, 122955, 155743, 193215, 204925, 244739, 270501, 322025, 333735, 450835, 467229, 556225, 614775, 734217, 778715, 966075, 1223695, 1352505, 1668675, 1713173, 2254175, 2336145, 3671085, 3893575, 5139519, 6118475, 6762525, 8565865, 11680725, 18355425, 25697595, 42829325, 128487975]

約数ペア:

[(1, 128487975), (3, 42829325), (5, 25697595), (7, 18355425), (11, 11680725), (15, 8565865), (19, 6762525), (21, 6118475), (25, 5139519), (33, 3893575), (35, 3671085), (55, 2336145), (57, 2254175), (75, 1713173), (77, 1668675), (95, 1352505), (105, 1223695), (133, 966075), (165, 778715), (175, 734217), (209, 614775), (231, 556225), (275, 467229), (285, 450835), (385, 333735), (399, 322025), (475, 270501), (525, 244739), (627, 204925), (665, 193215), (825, 155743), (1045, 122955), (1155, 111245), (1171, 109725), (1425, 90167), (1463, 87825), (1925, 66747), (1995, 64405), (3135, 40985), (3325, 38643), (3513, 36575), (4389, 29275), (5225, 24591), (5775, 22249), (5855, 21945), (7315, 17565), (8197, 15675), (9975, 12881)]