217202349

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 366000000

約数和(自身を除く): 148797651

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 343, 507, 637, 1029, 1183, 1249, 1911, 3549, 3747, 4459, 8281, 8743, 13377, 16237, 24843, 26229, 48711, 57967, 61201, 113659, 173901, 183603, 211081, 340977, 428407, 633243, 795613, 1285221, 1477567, 2386839, 4432701, 5569291, 10342969, 16707873, 31028907, 72400783, 217202349]

約数ペア:

[(1, 217202349), (3, 72400783), (7, 31028907), (13, 16707873), (21, 10342969), (39, 5569291), (49, 4432701), (91, 2386839), (147, 1477567), (169, 1285221), (273, 795613), (343, 633243), (507, 428407), (637, 340977), (1029, 211081), (1183, 183603), (1249, 173901), (1911, 113659), (3549, 61201), (3747, 57967), (4459, 48711), (8281, 26229), (8743, 24843), (13377, 16237)]