211330917

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38557}}^1$

素因数の和:38602

約数の個数: 32

約数和(自身を含む): 370156800

約数和(自身を除く): 158825883

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 38557, 115671, 269899, 347013, 809697, 1041039, 1118153, 2429091, 3354459, 7287273, 7827071, 10063377, 23481213, 30190131, 70443639, 211330917]

約数ペア:

[(1, 211330917), (3, 70443639), (7, 30190131), (9, 23481213), (21, 10063377), (27, 7827071), (29, 7287273), (63, 3354459), (87, 2429091), (189, 1118153), (203, 1041039), (261, 809697), (609, 347013), (783, 269899), (1827, 115671), (5481, 38557)]