123131535

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 220078080

約数和(自身を除く): 96946545

約数列:

[1, 3, 5, 15, 23, 29, 31, 69, 87, 93, 115, 145, 155, 345, 397, 435, 465, 667, 713, 899, 1191, 1985, 2001, 2139, 2697, 3335, 3565, 4495, 5955, 9131, 10005, 10695, 11513, 12307, 13485, 20677, 27393, 34539, 36921, 45655, 57565, 61535, 62031, 103385, 136965, 172695, 184605, 264799, 283061, 310155, 356903, 794397, 849183, 1070709, 1323995, 1415305, 1784515, 3971985, 4245915, 5353545, 8208769, 24626307, 41043845, 123131535]

約数ペア:

[(1, 123131535), (3, 41043845), (5, 24626307), (15, 8208769), (23, 5353545), (29, 4245915), (31, 3971985), (69, 1784515), (87, 1415305), (93, 1323995), (115, 1070709), (145, 849183), (155, 794397), (345, 356903), (397, 310155), (435, 283061), (465, 264799), (667, 184605), (713, 172695), (899, 136965), (1191, 103385), (1985, 62031), (2001, 61535), (2139, 57565), (2697, 45655), (3335, 36921), (3565, 34539), (4495, 27393), (5955, 20677), (9131, 13485), (10005, 12307), (10695, 11513)]