156698775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 301882464

約数和(自身を除く): 145183689

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 71, 75, 85, 153, 213, 225, 255, 355, 425, 577, 639, 765, 1065, 1207, 1275, 1731, 1775, 2885, 3195, 3621, 3825, 5193, 5325, 6035, 8655, 9809, 10863, 14425, 15975, 18105, 25965, 29427, 30175, 40967, 43275, 49045, 54315, 88281, 90525, 122901, 129825, 147135, 204835, 245225, 271575, 368703, 441405, 614505, 696439, 735675, 1024175, 1843515, 2089317, 2207025, 3072525, 3482195, 6267951, 9217575, 10446585, 17410975, 31339755, 52232925, 156698775]

約数ペア:

[(1, 156698775), (3, 52232925), (5, 31339755), (9, 17410975), (15, 10446585), (17, 9217575), (25, 6267951), (45, 3482195), (51, 3072525), (71, 2207025), (75, 2089317), (85, 1843515), (153, 1024175), (213, 735675), (225, 696439), (255, 614505), (355, 441405), (425, 368703), (577, 271575), (639, 245225), (765, 204835), (1065, 147135), (1207, 129825), (1275, 122901), (1731, 90525), (1775, 88281), (2885, 54315), (3195, 49045), (3621, 43275), (3825, 40967), (5193, 30175), (5325, 29427), (6035, 25965), (8655, 18105), (9809, 15975), (10863, 14425)]