17891390421

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{953}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 26738712000

約数和(自身を除く): 8847321579

約数列:

[1, 3, 9, 43, 129, 139, 349, 387, 417, 953, 1047, 1251, 2859, 3141, 5977, 8577, 15007, 17931, 40979, 45021, 48511, 53793, 122937, 132467, 135063, 145533, 332597, 368811, 397401, 436599, 997791, 1192203, 2085973, 2993373, 5696081, 6257919, 14301671, 17088243, 18773757, 42905013, 46230983, 51264729, 128715039, 138692949, 416078847, 1987932269, 5963796807, 17891390421]

約数ペア:

[(1, 17891390421), (3, 5963796807), (9, 1987932269), (43, 416078847), (129, 138692949), (139, 128715039), (349, 51264729), (387, 46230983), (417, 42905013), (953, 18773757), (1047, 17088243), (1251, 14301671), (2859, 6257919), (3141, 5696081), (5977, 2993373), (8577, 2085973), (15007, 1192203), (17931, 997791), (40979, 436599), (45021, 397401), (48511, 368811), (53793, 332597), (122937, 145533), (132467, 135063)]