72842903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 91914240

約数和(自身を除く): 19071337

約数列:

[1, 7, 19, 43, 47, 133, 271, 301, 329, 817, 893, 1897, 2021, 5149, 5719, 6251, 11653, 12737, 14147, 36043, 38399, 81571, 89159, 221407, 242003, 268793, 547691, 1549849, 1694021, 3833837, 10406129, 72842903]

約数ペア:

[(1, 72842903), (7, 10406129), (19, 3833837), (43, 1694021), (47, 1549849), (133, 547691), (271, 268793), (301, 242003), (329, 221407), (817, 89159), (893, 81571), (1897, 38399), (2021, 36043), (5149, 14147), (5719, 12737), (6251, 11653)]