69897789

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 120422400

約数和(自身を除く): 50524611

約数列:

[1, 3, 9, 13, 19, 27, 39, 47, 57, 117, 141, 171, 223, 247, 351, 423, 513, 611, 669, 741, 893, 1269, 1833, 2007, 2223, 2679, 2899, 4237, 5499, 6021, 6669, 8037, 8697, 10481, 11609, 12711, 16497, 24111, 26091, 31443, 34827, 38133, 55081, 78273, 94329, 104481, 114399, 136253, 165243, 199139, 282987, 313443, 408759, 495729, 597417, 1226277, 1487187, 1792251, 2588807, 3678831, 5376753, 7766421, 23299263, 69897789]

約数ペア:

[(1, 69897789), (3, 23299263), (9, 7766421), (13, 5376753), (19, 3678831), (27, 2588807), (39, 1792251), (47, 1487187), (57, 1226277), (117, 597417), (141, 495729), (171, 408759), (223, 313443), (247, 282987), (351, 199139), (423, 165243), (513, 136253), (611, 114399), (669, 104481), (741, 94329), (893, 78273), (1269, 55081), (1833, 38133), (2007, 34827), (2223, 31443), (2679, 26091), (2899, 24111), (4237, 16497), (5499, 12711), (6021, 11609), (6669, 10481), (8037, 8697)]