30680307

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 54213120

約数和(自身を除く): 23532813

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 361, 399, 497, 639, 1083, 1197, 1349, 1491, 2527, 3249, 4047, 4473, 6859, 7581, 9443, 12141, 20577, 22743, 25631, 28329, 48013, 61731, 76893, 84987, 144039, 179417, 230679, 432117, 486989, 538251, 1460967, 1614753, 3408923, 4382901, 10226769, 30680307]

約数ペア:

[(1, 30680307), (3, 10226769), (7, 4382901), (9, 3408923), (19, 1614753), (21, 1460967), (57, 538251), (63, 486989), (71, 432117), (133, 230679), (171, 179417), (213, 144039), (361, 84987), (399, 76893), (497, 61731), (639, 48013), (1083, 28329), (1197, 25631), (1349, 22743), (1491, 20577), (2527, 12141), (3249, 9443), (4047, 7581), (4473, 6859)]