40306581

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 70819840

約数和(自身を除く): 30513259

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 151, 171, 223, 399, 453, 669, 1057, 1197, 1359, 1561, 2007, 2869, 3171, 4237, 4683, 8607, 9513, 12711, 14049, 20083, 25821, 29659, 33673, 38133, 60249, 88977, 101019, 180747, 235711, 266931, 303057, 639787, 707133, 1919361, 2121399, 4478509, 5758083, 13435527, 40306581]

約数ペア:

[(1, 40306581), (3, 13435527), (7, 5758083), (9, 4478509), (19, 2121399), (21, 1919361), (57, 707133), (63, 639787), (133, 303057), (151, 266931), (171, 235711), (223, 180747), (399, 101019), (453, 88977), (669, 60249), (1057, 38133), (1197, 33673), (1359, 29659), (1561, 25821), (2007, 20083), (2869, 14049), (3171, 12711), (4237, 9513), (4683, 8607)]