78312105

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 141133824

約数和(自身を除く): 62821719

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 183, 235, 305, 423, 549, 607, 705, 915, 1821, 2115, 2745, 2867, 3035, 5463, 8601, 9105, 14335, 25803, 27315, 28529, 37027, 43005, 85587, 111081, 129015, 142645, 185135, 256761, 333243, 427935, 555405, 1283805, 1666215, 1740269, 5220807, 8701345, 15662421, 26104035, 78312105]

約数ペア:

[(1, 78312105), (3, 26104035), (5, 15662421), (9, 8701345), (15, 5220807), (45, 1740269), (47, 1666215), (61, 1283805), (141, 555405), (183, 427935), (235, 333243), (305, 256761), (423, 185135), (549, 142645), (607, 129015), (705, 111081), (915, 85587), (1821, 43005), (2115, 37027), (2745, 28529), (2867, 27315), (3035, 25803), (5463, 14335), (8601, 9105)]