157831281

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 251985600

約数和(自身を除く): 94154319

約数列:

[1, 3, 9, 17, 27, 51, 113, 153, 179, 289, 339, 459, 537, 867, 1017, 1611, 1921, 2601, 3043, 3051, 4833, 5763, 7803, 9129, 17289, 20227, 27387, 32657, 51731, 51867, 60681, 82161, 97971, 155193, 182043, 293913, 343859, 465579, 546129, 881739, 1031577, 1396737, 3094731, 5845603, 9284193, 17536809, 52610427, 157831281]

約数ペア:

[(1, 157831281), (3, 52610427), (9, 17536809), (17, 9284193), (27, 5845603), (51, 3094731), (113, 1396737), (153, 1031577), (179, 881739), (289, 546129), (339, 465579), (459, 343859), (537, 293913), (867, 182043), (1017, 155193), (1611, 97971), (1921, 82161), (2601, 60681), (3043, 51867), (3051, 51731), (4833, 32657), (5763, 27387), (7803, 20227), (9129, 17289)]