163978425

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6264

約数の個数: 60

約数和(自身を含む): 327162220

約数和(自身を除く): 163183795

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2925, 5265, 6229, 8775, 18687, 26325, 31145, 56061, 80977, 93435, 155725, 168183, 242931, 280305, 404885, 467175, 504549, 728793, 840915, 1214655, 1401525, 2024425, 2186379, 2522745, 3643965, 4204575, 6073275, 6559137, 10931895, 12613725, 18219825, 32795685, 54659475, 163978425]

約数ペア:

[(1, 163978425), (3, 54659475), (5, 32795685), (9, 18219825), (13, 12613725), (15, 10931895), (25, 6559137), (27, 6073275), (39, 4204575), (45, 3643965), (65, 2522745), (75, 2186379), (81, 2024425), (117, 1401525), (135, 1214655), (195, 840915), (225, 728793), (325, 504549), (351, 467175), (405, 404885), (585, 280305), (675, 242931), (975, 168183), (1053, 155725), (1755, 93435), (2025, 80977), (2925, 56061), (5265, 31145), (6229, 26325), (8775, 18687)]