13313895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 12951705

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 37, 69, 105, 111, 115, 149, 161, 185, 259, 345, 447, 483, 555, 745, 777, 805, 851, 1043, 1295, 2235, 2415, 2553, 3129, 3427, 3885, 4255, 5215, 5513, 5957, 10281, 12765, 15645, 16539, 17135, 17871, 23989, 27565, 29785, 38591, 51405, 71967, 82695, 89355, 115773, 119945, 126799, 192955, 359835, 380397, 578865, 633995, 887593, 1901985, 2662779, 4437965, 13313895]

約数ペア:

[(1, 13313895), (3, 4437965), (5, 2662779), (7, 1901985), (15, 887593), (21, 633995), (23, 578865), (35, 380397), (37, 359835), (69, 192955), (105, 126799), (111, 119945), (115, 115773), (149, 89355), (161, 82695), (185, 71967), (259, 51405), (345, 38591), (447, 29785), (483, 27565), (555, 23989), (745, 17871), (777, 17135), (805, 16539), (851, 15645), (1043, 12765), (1295, 10281), (2235, 5957), (2415, 5513), (2553, 5215), (3129, 4255), (3427, 3885)]