238339971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 374250240

約数和(自身を除く): 135910269

約数列:

[1, 3, 9, 19, 57, 67, 71, 171, 201, 213, 293, 603, 639, 879, 1273, 1349, 2637, 3819, 4047, 4757, 5567, 11457, 12141, 14271, 16701, 19631, 20803, 42813, 50103, 58893, 62409, 90383, 176679, 187227, 271149, 372989, 395257, 813447, 1118967, 1185771, 1393801, 3356901, 3557313, 4181403, 12544209, 26482219, 79446657, 238339971]

約数ペア:

[(1, 238339971), (3, 79446657), (9, 26482219), (19, 12544209), (57, 4181403), (67, 3557313), (71, 3356901), (171, 1393801), (201, 1185771), (213, 1118967), (293, 813447), (603, 395257), (639, 372989), (879, 271149), (1273, 187227), (1349, 176679), (2637, 90383), (3819, 62409), (4047, 58893), (4757, 50103), (5567, 42813), (11457, 20803), (12141, 19631), (14271, 16701)]