399610653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 632282112

約数和(自身を除く): 232671459

約数列:

[1, 3, 13, 17, 39, 43, 51, 107, 129, 131, 221, 321, 393, 559, 663, 731, 1391, 1677, 1703, 1819, 2193, 2227, 4173, 4601, 5109, 5457, 5633, 6681, 9503, 13803, 14017, 16899, 23647, 28509, 28951, 42051, 59813, 70941, 73229, 78217, 86853, 95761, 179439, 182221, 219687, 234651, 238289, 287283, 546663, 602731, 714867, 1016821, 1244893, 1808193, 3050463, 3097757, 3734679, 7835503, 9293271, 10246427, 23506509, 30739281, 133203551, 399610653]

約数ペア:

[(1, 399610653), (3, 133203551), (13, 30739281), (17, 23506509), (39, 10246427), (43, 9293271), (51, 7835503), (107, 3734679), (129, 3097757), (131, 3050463), (221, 1808193), (321, 1244893), (393, 1016821), (559, 714867), (663, 602731), (731, 546663), (1391, 287283), (1677, 238289), (1703, 234651), (1819, 219687), (2193, 182221), (2227, 179439), (4173, 95761), (4601, 86853), (5109, 78217), (5457, 73229), (5633, 70941), (6681, 59813), (9503, 42051), (13803, 28951), (14017, 28509), (16899, 23647)]