221313816

素因数分解:

$2^3\times 3^3\times {\mathrm{71}}^1\times {\mathrm{14431}}^1$

素因数の和:14517

約数の個数: 64

約数和(自身を含む): 623462400

約数和(自身を除く): 402148584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 108, 142, 213, 216, 284, 426, 568, 639, 852, 1278, 1704, 1917, 2556, 3834, 5112, 7668, 14431, 15336, 28862, 43293, 57724, 86586, 115448, 129879, 173172, 259758, 346344, 389637, 519516, 779274, 1024601, 1039032, 1558548, 2049202, 3073803, 3117096, 4098404, 6147606, 8196808, 9221409, 12295212, 18442818, 24590424, 27664227, 36885636, 55328454, 73771272, 110656908, 221313816]

約数ペア:

[(1, 221313816), (2, 110656908), (3, 73771272), (4, 55328454), (6, 36885636), (8, 27664227), (9, 24590424), (12, 18442818), (18, 12295212), (24, 9221409), (27, 8196808), (36, 6147606), (54, 4098404), (71, 3117096), (72, 3073803), (108, 2049202), (142, 1558548), (213, 1039032), (216, 1024601), (284, 779274), (426, 519516), (568, 389637), (639, 346344), (852, 259758), (1278, 173172), (1704, 129879), (1917, 115448), (2556, 86586), (3834, 57724), (5112, 43293), (7668, 28862), (14431, 15336)]