201533521

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 264560256

約数和(自身を除く): 63026735

約数列:

[1, 7, 17, 23, 49, 67, 119, 157, 161, 391, 469, 833, 1099, 1127, 1139, 1541, 2669, 2737, 3283, 3611, 7693, 7973, 10519, 10787, 18683, 19159, 25277, 26197, 55811, 61387, 73633, 75509, 130781, 176939, 178823, 183379, 241937, 429709, 515431, 1251761, 1283653, 1693559, 3007963, 4112929, 8762327, 11854913, 28790503, 201533521]

約数ペア:

[(1, 201533521), (7, 28790503), (17, 11854913), (23, 8762327), (49, 4112929), (67, 3007963), (119, 1693559), (157, 1283653), (161, 1251761), (391, 515431), (469, 429709), (833, 241937), (1099, 183379), (1127, 178823), (1139, 176939), (1541, 130781), (2669, 75509), (2737, 73633), (3283, 61387), (3611, 55811), (7693, 26197), (7973, 25277), (10519, 19159), (10787, 18683)]