157424253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5557}}^1$

素因数の和:5657

約数の個数: 32

約数和(自身を含む): 256112640

約数和(自身を除く): 98688387

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 5557, 9443, 16671, 28329, 38899, 105583, 116697, 316749, 394547, 739081, 1183641, 2217243, 2761829, 7496393, 8285487, 22489179, 52474751, 157424253]

約数ペア:

[(1, 157424253), (3, 52474751), (7, 22489179), (19, 8285487), (21, 7496393), (57, 2761829), (71, 2217243), (133, 1183641), (213, 739081), (399, 394547), (497, 316749), (1349, 116697), (1491, 105583), (4047, 38899), (5557, 28329), (9443, 16671)]