196179975

素因数分解:

$3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 373364992

約数和(自身を除く): 177185017

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 243, 387, 405, 645, 675, 751, 1075, 1161, 1215, 1935, 2025, 2253, 3225, 3483, 3755, 5805, 6075, 6759, 9675, 10449, 11265, 17415, 18775, 20277, 29025, 32293, 33795, 52245, 56325, 60831, 87075, 96879, 101385, 161465, 168975, 182493, 261225, 290637, 304155, 484395, 506925, 807325, 871911, 912465, 1453185, 1520775, 2421975, 2615733, 4359555, 4562325, 7265925, 7847199, 13078665, 21797775, 39235995, 65393325, 196179975]

約数ペア:

[(1, 196179975), (3, 65393325), (5, 39235995), (9, 21797775), (15, 13078665), (25, 7847199), (27, 7265925), (43, 4562325), (45, 4359555), (75, 2615733), (81, 2421975), (129, 1520775), (135, 1453185), (215, 912465), (225, 871911), (243, 807325), (387, 506925), (405, 484395), (645, 304155), (675, 290637), (751, 261225), (1075, 182493), (1161, 168975), (1215, 161465), (1935, 101385), (2025, 96879), (2253, 87075), (3225, 60831), (3483, 56325), (3755, 52245), (5805, 33795), (6075, 32293), (6759, 29025), (9675, 20277), (10449, 18775), (11265, 17415)]